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MXPA99011488A - Perfumed compositions and methods for reducing body odors and excess moisture - Google Patents

Perfumed compositions and methods for reducing body odors and excess moisture

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Publication number
MXPA99011488A
MXPA99011488A MXPA/A/1999/011488A MX9911488A MXPA99011488A MX PA99011488 A MXPA99011488 A MX PA99011488A MX 9911488 A MX9911488 A MX 9911488A MX PA99011488 A MXPA99011488 A MX PA99011488A
Authority
MX
Mexico
Prior art keywords
composition
perfume
cyclodextrin
skin
odor
Prior art date
Application number
MXPA/A/1999/011488A
Other languages
Spanish (es)
Inventor
Trinh Toan
Alison Lafleur Patricia
Gonzales Peterson Liezl
Original Assignee
The Procter & Gamble Company
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Filing date
Publication date
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Publication of MXPA99011488A publication Critical patent/MXPA99011488A/en

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Abstract

La presente invención se refiere a una composición en polvo perfumada absorbente de olores y opcionalmente de humedad, la cual es segura para usarse sobre la piel y comprende aproximadamente 0.1%a aproximadamente 25%, en peso de la composición, de ciclodextrina no complejada;alrededor de 5%a aproximadamente 601%, en peso de la composición, de un absorbente de humedad altamente efectivo;una composición de perfume seleccionada del grupo que consiste de aproximadamente 0.050%a aproximadamente 15%, en peso de la composición absorbente de olores, de un perfume encapsulado, y alrededor de 0.01%a aproximadamente 5%en peso de la composición absorbente de olores, de un perfume en forma libre, y mezclas de los mismos, y de un vehículo en polvo;las composiciones de lapresente invención también pueden contener un agente de control de olores adicional seleccionado del grupo que consiste de zeolita, carbón activado, bicarbonato de sodio, agentes antimicrobianos y antitranspirantes.

Description

PERFUMED COMPOSITIONS? METHODS TO REDUCE ODORS AND EXCESS OF MOISTURE IN THE BODY BACKGROUND OF THE INVENTION Body odor is commonly caused by fatty acids in the skin and bad odors from microbial sources. Human skin is naturally populated by numerous microorganisms that are fed by vain substances secreted by the skin (sweat by eccrine and apocrine glands and sebum), skin cell waste, skin breakdown products and by the organisms themselves. These unpleasant body odors are mainly organic molecules having different structures and functional groups, such as amines, acids, alcohols, aldehydes, ketones, phenolics, polycyclics, indoles, aromatics, polyaromatics, and so on. They may also be made of functional groups containing sulfur, such as thiol, mercaptan, sulfur and / or disulfide groups. Numerous attempts have been made to control or absorb coforal odors. Attempts have been made to strip microbes responsible for body odor from the humid environment they need to proliferate and grow. Such attempts include the use of powders and / or antiperspirants. Powders for the body and powder-based compositions of the prior art have limited absorption capacities. Antiperspirants are not always preferred in a product to control body odor, because if they are used throughout the body they can interfere with the body thermal regulatory procedure by inhibiting perspiration through the action of astringent salts. Additionally, such salts can be irritating to a large number of users, particularly, when applied in sensitive areas such as the pelvic region. Other deodorant compositions that are used to combat / control odor associated with skin secretions, which are described in the chemical and cosmetic literature, include emulsion sticks or suspension bars, aerosols, roll-ons (ball applicators), pads , atomizers, and even soap bars. These known deodorants try to control the odor through a variety of means. For example, the Patent of E.U.A. No. 5,525,331, to Betts, issued June 11, 1996, discloses compositions that inhibit the growth of microorganisms in bodily secretions. Deodorants can also include antibacterial compounds that help destroy / control the amount of bacteria present in the skin, minimizing the odor produced by the bacterial metabolism of skin secretions. The zeolites are known odor absorbers. However, these solid odor absorbers, in addition to known activated carbon odor absorbers, lose functionality when moistened. Therefore, when moistened by body fluids or when made in an aqueous solution, these odor absorbers are not preferred as they lose their desired odor absorbing characteristics. In addition, zeolites can cause "rough" sensation if too many are deposited on the skin. In addition to the aforementioned attempts to control and / or absorb body odors, several attempts have been made to mask body odors with other scents or perfumes. However, perfumes are often unsuitable for mitigating body odors and can be irritating to the user when used alone to control odor. Thus, there is a need for an improved, perfumed composition for absorbing odors and moisture and methods for their use, which is essentially free of irritant and astringent antiperspirants and which is safe and effective for use throughout the body. Particularly, there is a need to obtain a composition that remains on the skin and is capable of absorbing a broad spectrum of body odors and excess moisture that are not completely extinguished by the aforementioned means. It has been discovered that said improved body odor control and optionally moisture control can be provided to the whole body by applying a composition, which remains on the skin, that incorporates cyclodextrins without forming complex odor absorbers.; highly effective moisture absorbing ingredients; perfume composition; and a powder vehicle. Surprisingly, it has been discovered that the perfume composition can be added without counteracting the body odor absorption utility of the cyclodextrins without complexing. A particular advantage of the present invention is the ability to provide convenient, non-irritating odor protection and optionally moisture protection when applied to concealed areas of skin such as the pelvic region, external vagina, the line of the panty, the line of the support, and folds of the skin, which can be very sensitive. In addition, it has been discovered that the aforementioned benefits can be provided in a powder vehicle that also optionally provides benefits on the user's skin such as protection and / or wetting. All percentages, ratios, and parts in the present invention, in the description, examples, and claims are by weight unless otherwise specified. The term "g", as used here, means gram. The term "my", as used here, means milliliter. The term "p", as used herein, means weight.
BRIEF DESCRIPTION OF THE INVENTION The present invention relates to a perfumed powdery odor and moisture absorbent composition, comprising about 0.1% to about 25%, by weight of the composition, of cyclodextrin without complexing; optionally, from about 5% to about 60%, by weight of the composition, of a highly effective moisture absorbent; a perfume composition selected from the group consisting of from about 0.5% to about 15%, by weight of the odor absorption composition, of an encapsulated perfume, and from about 0.01% to about 5% by weight of the absorbent composition of smell of a free perfume and mixtures thereof; and a powder vehicle. The compositions of the present invention may also contain an additional agent to control the odor selected from the group consisting of zeolites, activated carbon, sodium bicarbonate, antimicrobial agents and antiperspirants. The present invention also relates to methods of using the above compositions.
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a perfumed dry powder composition useful for reducing body odor and moisture from hidden sites on the skin. The present invention also relates to an article of manufacture comprising the compositions herein deposited on flexible supply means. The composition of the present invention comprises dry ingredients preferably having particle sizes of from about 1 to about 100 microns; most preferably from about 1 miera to about 60 micras; and most preferably from about 1 miera to about 20 micras. As used herein, particle size refers to the largest dimension of the particle and the fundamental (or major) particles. The term "hidden skin", as used herein, refers to body regions of a human or mammal covered with clothing, such as . s-. •%. iTMgu x srü the pelvic area, the line of the panties, and the bra line; and folds of the skin or intertriginous regions, where there is continuous skin-to-skin contact. The term "excess moisture", as used herein, means an undesirable and / or unhealthy level of bodily fluids deposited on the skin. The term "body fluids", as used herein, includes eccrine gland sweat, apocrine gland sweat, sebum, sensitive moisture accumulation from transepidermal water loss, vaginal discharge, urine, and mixtures thereof. The term "body odor" as used herein refers to odors that are generated as a result of the natural functioning of the body of a human or mammal. Such odors include, but are not limited to, odors produced by skin microorganisms (i.e., bacterial decomposition of skin secretions), urine or vaginal discharge, and mixtures thereof. The term "skin" refers to human or mammalian skin. The term "whole body" refers to the total external surface of human or mammalian skin. The term "vaginal odor" refers specifically to those body odors that emanate from the pelvic region of a woman, particularly the vagina and the line of the panties. A detailed description of the essential and optional components of the present invention follows.
CICLODEXTRIN As used in the present invention, the term "cyclodextrin" includes any of the known cyclodextrins such as unsubstituted cyclodextrins containing from 6 to 12 glucose units, especially alpha-cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin and / or its derivatives and / or mixtures thereof. As used herein, the term "cyclodextrin without complexing" means that the cavities within the cyclodextrin in the composition of the present invention should remain essentially unfilled prior to application to the skin in order to allow the cyclodextrin to absorb several odor molecules when the composition is applied to the skin. Preferred cyclodextrins for use in the present invention are alpha-cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin and / or its derivatives. Most preferred are beta-cyclodextrin, hydroxypropyl alpha-cyclodextrin, hydroxypropyl beta-cyclodextrin, methylated alpha-cyclodextrin or methylated beta-cyclodextrin. Most preferably beta-cyclodextrin. It is also preferable to use a mixture of cyclodextrins. Said mixtures absorb body odors extensively by complexing with a larger scale of odoriferous molecules having a larger scale of molecular sizes. The cyclodextrin levels are from about 0.1% to about 25%, preferably from about 1% to about 20%, most preferably from about 2% to about 15%, still most preferably from about 3% to about 10% , by weight of the composition. Complex formation between cyclodextrin and odorous molecules occurs rapidly when they are moistened with body fluids. 5 That is convenient for the user because the cyclodextrins, when they are on dry skin, will not fill their cavities with other environmental scents that would otherwise make them less efficient to absorb body odors. In particular, after the solubilization of cyclodextrin by body fluids, the isolated cavities are ready to form inclusion complexes with body odor molecules. Therefore, the availability of cyclodextrin without forming solubilized complex is essential for effective and efficient odor control performance. Cyclodextrins that have small particle sizes help improve the surface availability of cyclodextrin to odor absorption and therefore are preferable. As used herein, particle size refers to the largest dimension of the particle and the fundamental (or major) particles. The small particle size cyclodextrins of the invention are those having a particle size of less than about 12 microns, preferably less than 10 microns. microns, and still very preferably less than 5 microns. A more complete description of cyclodextrins, cyclodextrin derivatives, and cyclodextrin particle sizes useful in the present invention can be found in ^^^^^^^^^^^^^^^^^^^^^^^^^^^ US patent. No. 5,429,628, Trinh et al, issued July 4, 1995,1 which is incorporated herein by reference in its entirety.
HIGHLY EFFECTIVE HUMIDITY ABSORBENTS Highly effective moisture absorbers are optionally included in the present invention to help reduce excess moisture in hidden skin and increase the flowability (the flowability without forming cake due to moisture) of the compositions of the present invention. As used herein, the phrase "highly effective moisture absorbers" refers to silicas (silicon dioxide), silicates or carbonates wherein the silicates and carbonates are formed by the reaction of a carbonate or silicate with the alkali metals (IA), alkaline earth metals (HA), or transition metals. Extremely preferred moisture absorbers are calcium silicate, amorphous silicas, calcium carbonate, magnesium carbonate, or zinc carbonate, and mixtures thereof. Some specific examples of the silicates and carbonates useful in the present invention are explained in more detail in Van Nostrand Reinhold's Encvclopedia of Chemistrv. 4th ed. pages 155, 169, 556, and 849, (1984), which is incorporated herein by reference. Synthetic versions of the highly effective moisture absorbers are preferred, particularly with respect to silicas and silicates because of the safe risks associated with crystalline silica. Synthetic versions are formed by controlled chemical reactions in a manufacturing process instead of using a natural, mined version of these compounds that is then refined. Synthetic carbonates useful in the present invention can be obtained from various suppliers such as Mallinckrodt or Whittaker, Clark, and Daniels. Examples of synthetic calcium silicates useful in the present invention are Hubersorb® 250 or Hubersorb® 600 available from J.M. Huber. It is preferred that the highly effective moisture absorbers comprise from about 5% to about 60%; most preferably, from about 10% to about 50%; and still most preferably, from about 20% to about 40% by weight of the total composition.
COMPOSITION OF PERFUME Perfume is an essential component of the present invention and is included at a level that is not irritating to the skin and / or respiratory tract of the common user, but which is detected by the human sense of smell before and / or after of the application on the skin. The perfume compositions should be safe for use on the skin. The perfume compositions useful herein comprise perfume ingredients. The perfume compositions may be in the form of free perfume, in the form of encapsulated perfume, or mixtures thereof. The perfume composition is normally present at a level of from about 0.01% to about 20% by weight of the odor absorbing composition.
Encapsulated perfume It is preferable that an effective amount, typically from about 0.05% to about 15%, preferably from about 0.1% to about 10%, most preferably from about 0.2% to about 8%, and still most preferably from about 0.5% to about 5%, in The weight of the odor absorbing composition is in the encapsulated perfume form. The encapsulated perfume helps to avoid premature loss of the perfume composition in the atmosphere as well as to avoid strong odors which may be unpleasant for the user. As used herein, the term "encapsulated perfume" refers to perfume compositions that are contained, or preferably, encapsulated in a vehicle. Examples of suitable encapsulation media for forming the perfume encapsulated herein include the formation of perfume / cyclodextrin ingredient inclusion complexes, coacervate encapsulation, cell matrix encapsulation, crude formation of porous, perfume-filled particles, and mixtures thereof. same. Encapsulated perfumes are preferably those that are released by a moisture activation mechanism where after being moistened, for example, by perspiration or other body fluids, the encapsulated perfume releases the perfume composition. Therefore, the skin irritation caused by the perfume is minimized because the encapsulated perfume is released only when it is moistened.
Perfume / cyclodextrin ingredient inclusion complexes are preferred not only because they show the preferred moisture activation release, but also because of their effectiveness and ease of processing. The perfume charge in the cyclodextrin complex is relatively low, for example, from about 10% to about 18% in perfume / beta-cyclodextrin complex. The inclusion complexes of the perfume / cyclodextrin ingredient, particle sizes, and methods of formation useful herein are described in detail in the U.S. patent. No. 5,429,628, Trinh et al, issued July 4, 1995, which is incorporated herein by reference in its entirety. At least one effective amount of the inclusion complex of the perfume / cyclodextrin ingredient should be applied to the odor absorbing compositions herein in order to be able to deliver the desired levels of perfume composition. Effective amounts are usually in the range of from about 0.01% to about 10%, preferably from about 0.1% to about 3%, most preferably from about 0.2% to about 2%, by weight of the odor absorbing composition. The encapsulation of coacervate perfume is a commonly known encapsulation method wherein a drop of one or more perfume ingredients is enclosed in a solid walled material. In the encapsulation of cell matrix perfume, a solid particle contains many small drops of one or more perfume ingredients stably contained in the cells. The water-soluble cell matrix perfume microcapsules (activated by moisture) which are preferred herein, and the preparation thereof, are described in detail in U.S. Patent No. 5,429,628, Trinh et al, issued July 4. of 1995, which is incorporated herein by reference in its entirety. Water soluble cell matrix perfume microcapsules in the present invention preferably have a size of about 0.5 microns to about 60 microns, most preferably from about 1 micron to about 50 microns, still most preferably about 2 microns. microns to approximately 40 microns. The encapsulation of coacervate perfume and cell matrix perfume encapsulation are preferred because of its perfume charge which can be as high as 60% -80%. Effective amounts of cell matrix and / or coacervate perfume microcapsules are normally found in the scale from about 0.002% to about 6%, preferably from about 0.007% to about 1%, most preferably from about 0.01% to about 0.5%, by weight of the odor absorbing composition. Porous particles filled with perfume formed They are crudely used when a slow and continuous release of perfume composition is desired. The porous particles filled with perfume are perfume ingredients / compositions that are comprised in a matrix and that are released through diffusion. Porous particles fcl- filled with starch matrix perfume can be prepared from the description with the patent of E.U.A. No. 5,267,531, Appel et al, issued December 7, 1993, which is incorporated herein by reference in its entirety. A non-limiting example of useful porous particles, starch granules, is described in Whistler et al, Food Technoloqv, July 1994, pp. 104-105, incorporated herein by reference. The porous particles filled with perfume can be coated with suitable materials to improve the retention of the perfume ingredient. The preferred particle size for the porous particles is from about 10 microns to about 60 microns, most preferably from about 15 microns to about 40 microns. Preferably, the encapsulated perfume, in any form that is present, is composed of perfume ingredients selected predominantly from two groups of ingredients, mainly, (a) volatile perfume ingredients having a normal pressure melting point of less than about 260 ° C, most preferably less than about 250 ° C, and (b) ingredients having a detection threshold of relatively low odor, and mixtures thereof. The melting points of many perfume ingredients are given in, for example, "Perfume and Flavor Chemicals (Aroma Chemicals)," Steffen Arctander, published by the author, 1969, incorporated herein by reference in its entirety. Typically, at least about 50%, preferably at least about 60%, most preferably at least about 70%, and still most preferably at least about 80% by weight of the encapsulated perfume is composed of ingredients of perfume of the previous groups (a) and (b). Non-limiting examples of the most preferred volatile perfume ingredients are allo-ocimene, allyl caproate, allyl cyclohexanacetate, allyl cyclohexanpropionate, allyl heptanoate, amyl acetate, amyl propionate, anethole, anisic aldehyde, anisole, benzaldehyde, benzyl acetate, benzyl acetone, benzyl alcohol, benzyl butyrate, benzyl formate, benzyl isovalerate, benzyl propionate, beta-hexenol, butyl benzoate, butyl caproate, 4-tert-butylcyclohexyl formate, camphene, camphor gum, carvacrol, laevo-carveol, d-carvone, laevo-carvone, cinnamyl formate, cis-jasmona, cis-3 acetate -hexenyl, cis-3-hexenyl butyrate, cis-3-hexenyl caproate, cis-3-hexenyl tiglato, c-3-hexenyl valerate, citral (neral), citronellol, citronellyl acetate, formate Citronellyl, citronellyl isobutyrate, citronellyl nitrile, citronellyl oxyacetaldehyde, citronellyl propionate, cuminic alcohol, cuminic aldehyde, cyclal C, cyclohexylethyl acetate, beta-damascone, 2-decane, decyl aldehyde, dihydromyrcenol, dihydromyrcenyl acetate, dimethylbenzyl carbinol, dimethylbenzyl carbinyl acetate, dimethylbenzyl carbinyl propionate, acetate of dimethylphenylethyl carbinyl, 3,7-dimethyloctanal, dimethyl octanol, diphenyl oxide, ethyl acetate, ethyl acetoacetate, ethylamyl ketone, ethyl benzoate, ethyl butyrate, ethylhexyl ketone, ethylphenyl acetate, eucalyptol, phenyl acetate, phenolic alcohol, flower acetate (tricyclodecetyl acetate), frutene m ^ ^ & z ^^, ^^^, ^^^^^^! ^^^^ (decency tricyclic propionate), range methyl ionone, gamma-nonalactone, geraniol, geranyl acetate, geranyl acetoacetate, butyrate of geranyl, geranyl formate, geranyl sobutyrate, geranyl nitrile, geranyl propionate, heptyl acetate, heptyl isobutyrate, heptyl propionate, hexenol, hexenyl acetate, hexenyl isobutyrate, hexyl acetate, hexyl formate, hexyl isobutyrate, hexyl isovalerate, hexyl neopentanoate, hexyl tiglato, hydratropic alcohol, hydroxycitronellal, alpha-ionone, beta-ionone, gamma-ionone, alpha-ionone, isoamyl alcohol, isobornyl acetate, isobornyl propionate, benzoate isobutyl, isobutyl caproate, isononyl acetate, isononyl alcohol, isomentol, isomenthone, isononyl acetate, isopulegol, isopulegyl acetate, isoquinoline, lauric aldehyde (dodecanal), lavandulyl acetate, ligustral, d-limonene, linalool, linalool oxide , linalil acetate or, linalyl butyrate, linalyl isobutyrate, linalyl formate, linalyl propionate, menthone, menthyl acetate, methyl acetophenone, methyl amyl ketone, methyl anthranilate, methyl benzoate, methylbenzyl acetate, methyl cavicol, eugenol methyl, methylheptanone, methyl heptin carbonate, methyl heptyl ketone, methyl hexyl ketone, alpha-iso "gamma" methyl ionone, methyl nonyl acetaldehyde, methyl octyl acetaldehyde, methyl octyl ketone, methylphenyl carbinyl acetate, methyl salicylate, myrcene, acetate of mircenyl, neral, nerol, nitrile acetate, nonalactone, nonyl butyrate, nonyl alcohol, nonyl acetate, nonyl aldehyde, octalactone, octyl acetate, octyl alcohol (octanol-2), octyl aldehyde, orange terpenes (d- limonene), para-cresol, para-cresyl methyl ether, para-cymene, para-isopropyl para-methyl acetophenone, phenethyl anthranilate, phenoxy ethanol, phenyl acetaldehyde, phenylethyl acetate, phenylethyl alcohol, feni l ethyl dimethyl carbinol, alpha-pinene, beta-pinene, alpha-terpinene, prenyl acetate, propyl butyrate, pulegone, rose oxide, safrole, alpha-terpinene, gamma-terpinene, 4-terpineol, terpineol, terpinolene, acetate of terpinyl, terpinyl propionate, tetrahydro linalool, tetrahydro mircenol, thymol, delta-undecalactone, gamma-undecalactone, undecanal, undecenal, undecyl alcohol, Veratrol, Verdox, Vertenex and viridin. Non-limiting examples of other preferred volatile perfume ingredients that can be used in the perfume compositions of the invention are amyl benzoate, beta-caryophyllene, cinnamic alcohol, diphenyl methane, dodecalactone, ethylmethylphenyl glycidate, eugenol, phenol acetate, gamma -n-methyl ionone, heliotropin, indole, isobutylquinoline, Lilial (pt-Bucinal), methyl-N-methyl anthranilate, para-methoxy acetophenone, phenethyl butyrate, pheneheptanol, phenylhexanol, and phenoxyethyl propionate. The preferred encapsulated perfume composition contains at least 5, preferably at least 6, most preferably at least 7, and still most preferably at least 8 different volatile perfume ingredients. The most common perfume ingredients that are derived from natural sources are composed of a multitude of components. When each of said materials is used in the formulation of encapsulated perfume compositions of the present invention, it is counted as a single ingredient, for the purpose of defining the invention. The use of small amounts of perfume ingredients having low odor detection threshold values can improve the perfume character of the perfume, however they are not as volatile as the perfume ingredients of group (a) described above. The term "odor detection threshold" of an odorous material refers to the lowest vapor concentration of said material that can be detected by smell. The odor detection threshold and some odor detection threshold values are discussed in, for example, "Standardized Human Olfactory Thresholds," M. Devos et al, IRL Press, Oxford University Press, 1990; and "Compilation of Odor and Taste Threshold Values Data", F. A. Fazzalari, editor, ASTM Data Series DS 48A, American Society for Testing and Materials, 1978, both publications are incorporated by reference. The perfume ingredients that do not belong to the above group (a), but which have a low odor detection threshold useful for the invention, are selected from the group consisting of ambrox di, bacdanol, benzyl salicylate, lime, cetalox, salicylate of cis-3-hexenyl, cyan, ebanol, ethyl anthranilate, ethylmethylphenylglycidate, ethyl vanillin, dihydroisojasmonate, dodecalactone range, flower acetate, florhidral, frutene, heliotropin, alpha ionone, betaionone, isoeugenol, alphaisomethylionone, lilial, lyral , methyl dihydrojasmonate, methylbetanyl ethyl ketone, betanaphthyl methyl ether, parahydroxyphenylbutanone, undecalactone range, vanillin, and mixtures thereof. These materials are preferably presented at low levels in addition to the volatile ingredients of group (a), typically less than about 20%, preferably less than about 15%, most preferably less than about 10%, by weight of the composition of fragrance. There are also volatile ingredients of group (a) that have significantly low odor detection thresholds that are useful for the present invention. Examples of these ingredients are allylamyl glycolate, anethole, benzylacetone, butyl anthranilate, cinnamic alcohol, cyclal C, cycloalbanate, 4-decane, ethyl-2-methyl butyrate, eugenol, damascenone, alphadamascona, fructone, herbavert, indole, isociclocitral , ketone, linalool, methyl anthranilate, methylheptin carbonate, methyl isobutenyltetrahydropyran, methylnonyl ketone, nerol, para-anisic aldehyde, phenylacetaldehyde, and undecylenic aldehyde.
Free perfume The perfume composition can also be in the form of a free perfume. The term "free perfume", as used herein, refers to a perfume composition that is not encapsulated. When desired, the free perfume can be diluted in a solvent to help incorporate it into the compositions. Suitable solvents include skin auxiliaries described herein and solvents found in Cosmetic Bench Reference, 1994 edition, page 54, which is incorporated herein by reference. The free perfume may be composed of conventional perfume ingredients at a level of from about 0.01% to about 5%, preferably from about 0.05% to about 3%, most preferably from about 0.05% * to about 2%, and still most preferably from about 0.1% to about 1%, by weight of the odor absorbing composition.
POWDER VEHICLE The highly effective cyclodextrins and moisture absorbers useful in the present invention should be dispersed in a pharmaceutically acceptable powder carrier for convenient, uniform application and distribution in the skin. The term "pharmaceutically acceptable", as used herein, means a powder suitable for topical use on the skin without toxicity, irritation, allergic response, and the like. The powder vehicle also helps to prevent the solubilized cyclodextrin from being removed from the desired contact of the skin. Powdered vehicles useful in the present invention include powders known in the art that are safe for human skin. Such powders include but are not limited to corn starch (topical starch), talc, rice starch, wheat starch, tapioca starch, microcrystalline cellulose (e.g. Avicel®), aluminum starch octenyl succinate (sold by National Starch &Chemical Co. as Dry Fio® Pure, Dry Fio® XT, and / or dry Fio® PC), kaolin, and mixtures thereof. Corn starch is preferred.
The powder carrier of the present invention comprises from about 10% to about 95%, preferably from about 15% to about 80%, most preferably from about 25% to about 50%, by weight of the composition.
ATTACHMENT AGENTS FOR CHECKING THE ODOR Optionally, the compositions of the present invention may comprise zeolites, carbon odor controlling agents, sodium bicarbonates, antimicrobial agents and / or antiperspirant ingredients for control of additional body odor. The term "zeolite", as used herein, refers to non-fibrous zeolites. When the present invention is included, the zeolites may be present from about 0.1% to about 25%, preferably from about 1% to about 15%, by weight of the composition. A detailed description of zeolites useful in the present invention is found in the patent of E.U.A. No. 5,429,628, Trinh et al, issued July 4, 1995, incorporated herein by reference in its entirety. The carbon agents for controlling odor described in the U.S.A. No. 5,429,628 can be used in the present invention at a level of from about 0.1% to about 25%, by weight of the composition.
~ *% "Alkali metal salts of carbonate and / or bicarbonate, such as sodium bicarbonate, potassium bicarbonate, potassium carbonate, cesium carbonate, sodium carbonate, and mixtures thereof, may be added to the composition in powder of the present invention to help control acid-type odors. An example of sodium bicarbonate and its use as an underarm deodorant is shown in the U.S. patent. No. 4,382,079, of Marschner, issued May 3, 1983, and is incorporated herein by reference in its entirety. Preferred salts are sodium carbonate monohydrate, potassium carbonate, sodium bicarbonate, and mixtures thereof. The alkali metal carbonate and bicarbonate salts are normally present at a level of from about 0.1% to about 30%, preferably from about 0.2%, to about 20%, most preferably from about 0.3% to about 10%, by weight of the powder composition. The antimicrobial agents of the present invention are selected from the group consisting of antibacterial agents, antifungal agents, and mixtures thereof. The antimicrobial agents help to destroy and / or control the amount of bacteria and / or fungus present in the skin. Preferred antimicrobial agents are zinc phenolsulfonate, zinc oxide, triclosan, Zelec® AM by DuPont, zinc ricinoleate, zinc undecylenate, and mixtures thereof. Most preferred are zinc phenolsulfonate, zinc oxide and triclosan. The triclosan is available from Ciba-Geigy as Irgasan DP-300. Examples of antimicrobial agents useful in the present invention are found in Cosmetic Bench Reference, 1994 edition, page 10, which is incorporated herein by reference. When included in the present invention, the antimicrobial agents are at a level of from about 0.01% to about 25%. Preferably from about 0.1% to 5 about 10%, by weight of the present composition. When used in the armpits, antiperspirant ingredients can be included in the present invention. Examples of antiperspirants known in the art are found in Cosmetic Bench Reference, 1994 edition, page 13, which is incorporated herein by reference. • 10 reference. When included in the present invention, antiperspirants may be present in about 0.1% to about 25%, by weight of the composition.
AUXILIARIES FOR THE SKIN 15 The compositions of the present invention may optionally include skin aids. The term "auxiliary for the skin" as • is used herein, refers to protectors, emollients and humectants for the skin. The skin protectors useful in the present invention are found in Cosmetic Bench Reference, 1994 edition, page 53; and Monograph on Skin Protectant Drug Products for Over-the-Counter Human Use, 21 CFR 347. Preferred skin protectants are corn starch, kaolin, mineral oil, sodium bicarbonate, dimethicone, zinc oxide, colloidal oat, and mixtures thereof. When presented, the skin protectors comprise from about 0.1% to about 80%, preferably from about 0.1% to about 30%, most preferably from about 0.1% to about 10% by weight of the composition. The emollients and humectants useful in the present invention can be found in Cosmetic Bench Reference, 1994 edition, pages 27-32 and 46-48, incorporated herein by reference. Preferred emollients and humectants are tocopherol, tocopheryl acetate, aloe, vegetable oils, mineral oil, petrolatum, jojoba oil, and mixtures thereof. Encapsulated or spray-dried / freeze-dried emollients are preferred. The use of encapsulated or spray-dried / freeze-dried emollients keeps the emollients protected in the powder vehicle until they are released through shear stress (such as rubbing with underwear or fabrics) or through contact with moisture in the skin. Examples of preferred spray-dried / freeze-dried aloe in the present invention are Terra-Dry ™ freeze-dried aloe, Terra-Pure ™ spray-dried or freeze aloe and Terra-Spray ™ spray-dried aloe, all of Terry's previous Laboratories. When presented, the emollients / humectants comprise from about 0.1% to about 50%, preferably from about 0.1% to about 25%, most preferably from about 0.1% to about 10%, by weight of the composition.
SLIDING COMPOUNDS The present compositions may optionally comprise slip compounds. The term "slip compounds", as used herein, refers to compounds having unique structures that provide improved slip / lubrication characteristics of powders and / or reduced friction from skin to skin between intertriginous skin sites. The slip compounds of the present invention include polyethylene, nylon; polytetrafluoroethylene; silica which is in the form of microspheres, ellipsoids, barrel forms, and the like; mica, silicone (for example dimethicone) and metal stearates (for example zinc stearate); and mixtures thereof. Preferred slip compounds are silicas which are in the form of microspheres, ellipsoids, barrel shapes, and the like. The silica ellipsoids useful in the present invention are available from DuPont as ZELEC® Sil. The silica microspheres available from KOBO such as MSS-500, MSS 500/3, MSS-500 / H, MSS-500 / 3H, MSS-500 / N, and MSS-500 / 3N. Additionally, it is preferred that part of the silica of the present invention is fuming silica to increase the flowability of the powder in addition to improving the sliding characteristics. Silica fume is available from Cabot Corporation (Cab-O-Sil®) and Degussa (Aerosil®). When present in the compositions of the invention, the slip compounds comprise from about 0.1% to about 35%, preferably from about 1% to about 10%, by weight of the composition.
AGGLUTINANTS The present invention may optionally include dry or wet binders to help promote adhesion of the powder and active ingredients to the skin. The binders useful in the present invention are found in the Cosmetic Bench Reference, 1994 edition, pages 13-14, incorporated herein by reference. Preferred binders are calcium stearate, zinc stearate, isopropyl myristate, magnesium myristate, silicone, and mixtures thereof. The most preferred are zinc stearate, dimethicone, and mixtures thereof. When included in the composition, the binders are at a level of from about 0.1% to about 25%, preferably from about 1% to about 15%, by weight of the composition.
ANTI-PRURITIC AGENTS Anti-pruritic agents such as those known in the art can be included in the compositions of the present invention. Examples of anti-pruritic agents useful in the present invention are Magnesium-L-lactate, hydrocortisone, hydrocortisone acetate, and colloidal oat. A description of anti-pruritic agents is shown in Handbook of Non Prescription Druas. 10th edition, p. 529, 1993; which is incorporated herein by reference. When included in the composition, the anti-pruritic agents may be present in about 0.1% to about 40%, by weight of the composition.
COLORING Dyes and dyes can optionally be added to the odor absorbing compositions for visual appearance and performance printing. Colorants suitable for use in the present invention are found in Cosmetic Bench Reference, 1994 edition, pages 21-22, which is incorporated herein by reference.
PROCEDURE FOR PREPARING COMPOSITIONS The compositions of the present invention are prepared by the following steps: creating a mixture by mixing cyclodextrin, any highly effective moisture absorbent, and optional ingredients in a powder vehicle through a commercially available mixer such as a v-blender, cone blender double, or batten mixer until the mixture is uniform; and creating a reduced size mix using a commercially available size reduction technique such as hammer milling, impact milling, ball milling, or milling by fluid energy until the desired particle size distribution is achieved.
The perfume composition, whether encapsulated or free, can be added to the present compositions in different ways. A suitable method for including encapsulated perfume involves the formulation of the cyclodextrin complex in the manner described in the US patent. No. 5,429,628 to Trinh et al, issued July 4, 1995, which is incorporated herein by reference, and mixing the cyclodextrin / perfume complexes with the above composition in a final or intermediate step. When desired, free perfume may be incorporated by sprinkling the cyclodextrin, carrier, or any of the powdered ingredients with the free perfume. Preferably, the free perfume is mixed with one or more of the liquid ingredients herein, such as skin aids, prior to spraying. Because the composition of the present invention should be applied directly to the skin or hair, several applicators are useful for delivering compositions throughout the body for maximum odor control. For example, the compositions are preferably deposited in a bottle, can, spray dispenser, manually activated spray dispenser, or on a cleaning structure which acquires contact with the skin to transfer the composition thereto. The bottles and cans known in the art are suitable for delivering the compositions of the present invention. The bottles and cans preferably comprise covers with small openings for convenient supply of the composition.
The composition of the present invention can also be supplied as a solution suspended through a spray dispenser or bottle, so that when applied or sprayed on the skin, the solvent will immediately dry / volatilize to leave a dust film. Examples of such suspension forms are aerosols, liquid suspensions in powder, or suspensions of silicone. When presented in an aerosol composition, the powders of the present invention are normally presented in the range of about 0.1% to about 15%, by weight of the composition. The incorporation of a powder in an aerosol is explained in greater detail in the patent of E.U.A. No. 4,078,051 of Pomot et al., Issued March 7, 1978; which is incorporated herein by reference in its entirety. Nevertheless, this method is not preferred for use in sensitive areas of the body such as the line of the panty or other hidden areas of the skin because irritations in the skin can occur by the propellants commonly used in aerosol containers. A manually activated spray dispenser is preferred which supplies the composition as a powder without the use of propellants, and without the composition being in the form of a solution. The spray dispensers useful herein are described in greater detail in the U.S.A. No. 2,450,205 of Rose, issued September 28, 1948; and the patent of E.U.A. No. 2,840,277, of Bach, issued June 24, 1958, both incorporated herein by reference in its entirety.
Any cleaning structure and / or methods for making the cleaning structures commonly known in the art can also be used. The cleaning structure comprises flexible supply means. The term "flexible supply means", as used herein, includes papers, fabrics, nonwovens, films, foams, sponges, rollers, pads, handkerchiefs, cotton balls and the like. Preferred cleaning substrates comprise a porous material, such as nonwoven substrates, foams, or sponges, which are capable of retaining the composition within the pores of the substrates. Examples of cellulosic nonwovens are described in the US patent. No. 4,191, 609, Trokhan, issued March 4, 1980, which is incorporated herein by reference in its entirety. Techniques for combining cleaning substrates with the composition of the present invention are well known in the art. Examples of common techniques include coating, immersing, soaking, splashing or spraying the cleaning substrate with the compositions herein. The composition of the present invention is added to the fabric substrate at a level sufficient to provide the desired odor control and / or other skin benefits. Packages suitable for use herein are commonly known in the art and include resealable packagings and those suitable for one-time use.
METHODS OF USE The present invention also relates to a method for reducing body odor comprising the application of an effective amount of the compositions described herein on the skin. The present invention also comprises a method for reducing vaginal odor comprising the application of an effective amount of the compositions described herein in the pelvic region, external vagina, and / or panty line. However, the compositions of the present invention should not be inserted into the vagina, nor applied to the vulva. An "effective amount" of the compositions of the present invention, as used herein, refers to an amount sufficient to absorb body odor in order to make it less perceptible by the human sense of smell. Although the effective amount used and the number of applications per day are left to the discretion of the user, normally an effective amount will be from about 1cm3 to about 3cm3 of the odor absorbing composition per application, one to three times a day, during the days that the user wishes. The compositions herein are topically applied directly to the skin or hair. The compositions can be delivered by placing the composition in a delivery medium and applying an effective amount by spraying, splashing, shaking, or rubbing the composition on the desired skin surface; Normally throughout the body. Preferably the supply means are a splash can, an atomizer or a preformed cleaning structure comprising flexible supply means. Alternatively, the user may deposit the composition herein in a cleaning structure comprising a flexible supply means of his choice. To accomplish this, the user selects a flexible supply means such as a cleaning cloth or sponge; transfers the composition from the bottle or other suitable container to the chosen flexible supply means, and applies the composition to the desired area of the body. The user can also use his hand to apply the compositions. The user can use the amount of composition desired, depending on the intended use and degree of odor control needed. The following non-limiting examples illustrate useful perfume compositions and odor absorbing composition formulations together with methods of use of the present invention. The perfume compositions A-G are useful for formulating as encapsulated perfume. The perfume compositions E-G can also, optionally, be used as a free perfume.
COMPOSITION OF PERFUME jT COMPOSITION OF PERFUME B Inqredients% p Inqredients% p Ambrox dl 10% in DPG 1.5 Benzyl acetate 2.4 Benzyl acetate 1.9 Cinnamic alcohol 0.1 Benzyl Salicylate 3.1 Cis 3 Hexenyl Acetate 0.3 Beta range Hexenol 0.4 Cis Jasmona 0.4 Cis-3-hexenyl acetate 0.5 Citronellol 4.1 Cis-3- 2.5 salicylate Citronellyl acetate 1.3 hexenyl Citronelal nitrile 1.5 Dimethyloctanol 1.6 Citronelol 9.2 Etillinalool 7.3 Ciclal C 0.9 Flower Acetate 4.9 Ciclogalbanato 0.5 Fruteno 3.3 Dihydromircenol 0.9 Geraniol 4.9 Ebanol 0.1 Helional 4.1 Eucalyptol 0.6 hexyl cinnamic aldehyde 16.0 Eugenol 0.5 Hydroxy citronella 1.6 Flower acetate 8.3 lonona methyl range 5.7 Fruteno 4.0 Iso E super 4.1 Geranil nitrile 0.3 Liral 3.3 hexyl cinnamic aldehyde 10.5 dihydro jasmonate 16.2 methyl Hydroxy citronella 2.3 0.3 methylphenylcarbinyl acetate Isobornyl acetate 0.2 P.T. Bucinal 8.9 Iso cycle geraniol 0.6 Phenylethyl alcohol 4.9 Linalool 1.9 Phenylhexanol 0.8 Linalnyl acetate 4.2 Terpineol 3.3 Methylredrilone 0.2 undecylenic aldehyde 0.2 0.9-methyl dihydrojasmonate Methyl isobutenyl-0.3 tetrahydropyran 0.9-methylphenylcarbinyl acetate Orange terpenes 17.6 P.T. bucinal 17.8 Phenylethyl alcohol 4.6 Prenyl acetate 1.2 COMPOSITION OF PERFUM C COMPOSITION OF PERFUME D Ingredients% p Ingredients% p Acetate of 4-ter-10.0 Acetate of 4-tert-12.3 butylcyclohexyl butylcyclohexyl Bacdanol 0.5 Ambrox DL 10% in DPG 1.6 Cetalox 0.1 anisic aldehyde 4.5 Citral 1.0 Bacdanol 0.6 CitroneloL 5.0 Cis Jasmona 0.1 Damascenone 0.3 Citronelol 6.2 Dihydromyrcenol 1.0 ethyl cinnamate 1.3 Acetate of 1.5 Ethyl Vanillin 1.7 Dimethylbenzyl Carbinyl Ethyl Vanillin 0.5 Eugenol 0.4 Geraniol 2.0 Geraniol 12.3 Geranil nitrile 0.5 Geranyl acetate 1.2 Heliotropin 5.1 Heliotropin 12.3 hexyl cinnamic aldehyde 15.4 Hexylcinnamic aldehyde 12.3 methyl ionone range 3.2 Methylone 3.5-iso isolate Super 3.5 Isobornyl acetate 1.7 Linallyl acetate 8.1 iso Eugenol 0.3 methyl anthranilate 1.5 Lactic acid aldehyde 1.2 dihydrojasmonate 20.0 Methyl acetate 0.7 methyl Methyl isobutenyl- 0.1 Methyl anthranilate 1.5 tetrahydropyran Orange terpenes 10.0 Methyl cinnamate 1.2 for methoxy acetophenone 0.4 Methyl phenyl acetate 2.7 carbinyl Vanillin 10.3 Phenylethyl alcohol 12.3 Undecalactone 0.6 Undecylen aldehyde 0.6 Vanillin 6.9 COMPOSITION OF PERFUME AND COMPOSITION OF PERFUME F Inqredients% ß Inqredients% ß Citronelol 10 Benzyl salicylate 20 Benzyl salicylate 15 Benzyl acetate 15 Benzyl acetate 10 Benzophenone 5 Benzophenone 3 Phenylethyl alcohol 10 Cedrol 2 Linalool 15 Dihydromyrcenol 10 Dihydrojasmonate 10 methyl Acetate of Flower 5 Lilial 15 Alcohol phenyl ethyl 15 Phenylethyl acetate 5 Linalyl acetate 4 Linalool 6 dihydrojasmonate 3 methyl Lilial 10 Phenylethyl acetate 2 alpha-Terpineol 5 COMPOSITION OF PERFUME G Ingredients% £ Citronelol 5 Benzyl salicylate 5 Benzyl acetate 5 Dihydromyrcenol 5 Flower acetate 5 Phenylethyl alcohol 20 Linalyl acetate 5 Linalool 5 Methyl dihydrojasmonate 5 Lilial 20 Phenylethyl acetate 1 Vanillin 6 alpha-Terpineol 8 Aldehyde Anisic 2 Cimal 3 EXAMPLE I EXAMPLE II Inqredient% p / p Inqredient% p / p Corn Starch (Starch 35.55 Corn Starch (Starch 12.20 Topic) Topic) Silica (Microspheres) 10.00 Talc 10.00 Magnesium Carbonate 8.00 Silica (Microspheres) 10.00 Synthetic calcium silicate 20.00 Fumed silica 5.00 Fuming Silica 5.00 Zinc Fenolsulfonate 3.00 Zinc Fenosulfonate 3.00 Triclosan 0.30 Triclosan 0.20 Cyclodextrin 6.00 Nylon-12 3.00 Aloe Vera drying by 0.50 sprinkling / freezing Zinc Stearate 3.00 Magnesium Carbonate 8.00 Beta Cyclodextrin 3.00 Nylon-12 5.00 Aloe Vera dried by 0.10 Calcium silicate 20.00 aspersion / freezing Acetate microcapsules 2.00 Zinc stearate 3.00 tocopheryl Dipropylene glycol 2.00 Tocopheryl acetate 2.00 microcapsules Free perfume ** 0.15 Mineral oil 2.00 Dimethicone 5.00 Dimethicone 5.00 Encapsulated Perfume * 8.00 Example I also Example II can also comprise an anti-pruritic agent such a zeolite such as Magnesium-L-Lactate EXAMPLE lll W EXAMPLE IV Inqredient% p / p Inqredient% p / p Rice starch 25.00 Octenyl succinate 12.40 Mica aluminum starch 2.00 Silica (Ellipsoids) 8.00 Silica (Ellipsoids) 14.50 Silica Fumante 8.00 Fuming Silica 5.00 Zinc Fenosulfonate 7.00 Triclosan 0.10 Triclosan 0.60 Aluminum Hydrochloride 5.00 Cyclodextrin 10.00 Cyclodextrin 6.00 Aloe Vera Gel / Oil 1.00 Aloe Vera, dried by 1.00 Magnesium Carbonate 7.00 sprinkling / freezing Calcium Carbonate 10.00 Calcium Carbonate 3.00 Polyethylene powder 3.00 Polyethylene powder 7.00 Calcium Silicate 10.00 Calcium Silicate 15.00 Zinc Stearate 7.00 Zinc Stearate 5.00 Dimethicone 10.00 Mineral Oil 5.00 Encapsulated Perfume * 1.00 Dimethicone 6.00 Free Perfume ** 0.40 Encapsulated Perfume * 4.00 Free Perfume ** 1.00 Example III may also comprise a colorant EXAMPLE V "% *" EXAMPLE VI Ingredient% p / p Ingredient% p / p Tapioca starch 10.00 Corn starch 10.00 (Topical starch) Talcum 4.90 Wheat flour / oats 8.35 colloidal Silica (Microspheres) 20.00 Silica (Microspheres) 5.00 Silica Fumante 2.00 Silica (Ellipsoids) 10.00 Zinc Oxide 4.00 Silica Fumante 5.00 Triclosan 1.00 Zinc Oxide 2.00 Cyclodextrin 4.00 Triclosan 0.40 Aloe Vera Gel / Oil 2.00 Cyclodextrin 5.00 Magnesium Carbonate 5.00 Aloe Vera gel / oil 2.00 Calcium Carbonate 4.00 Magnesium Carbonate 4.00 Nylon-12 10.00 Calcium Carbonate 5.00 Calcium Silicate 15.00 Nylon-12 4.00 Zinc Stearate 6.00 Polyethylene Powder 4.00 Isopropyl Myristate 4.00 Calcium Silicate 10.00 Dimethicone 5.00 Zinc Stearate 10.00 Encapsulated Perfume * 3.00 5.00 Tocoferyl acetate microcapsules Free Perfume ** 0.10 Dimethicone 10.00 Free Perfume ** 0.25 Example VI may also comprise sodium bicarbonate EXAMPLE VII EXAMPLE VIII Inqredient% p / p Inoredient% p / p Corn starch 6.80 Corn starch 43.10 (Topic starch) Caolina 4.00 Silica (Microspheres) 30.00 Silica (Microspheres) 5.00 Zinc Fenolsulfonate 3.00 Silica (Ellipsoids) 5.00 Triclosan 0.30 Silica Fumante 5.00 Nylon-12 10.00 Zinc Fenolsulfonate 2.00 Beta Cyclodextrin 3.00 Triclosan 0.20 Tocofenlo 5.00 acetate microcapsules Cyclodextrin 8.00 Dipropylene glycol 0.30 Aloe Vera Gel / Oil 3.00 Free Perfume ** 0.30 Magnesium Carbonate 10.00 Dimethicone 5.00 Nylon-12 2.00 Polyethylene Powder 5.00 Calcium Silicate 25.00 Zinc Stearate 7.00 Tocopheryl Acetate 3.00 Microcapsules Isopropyl Myristate 2.00 Dimethicone 5.00 Encapsulated Perfume * 2.00 EXAMPLE IX Ingredient% p / p Corn Starch (Topic Starch) 47.50 Silica (Microspheres) 40.00 Triclosan 0.30 Zinc Stearate 3.00 Beta Cyclodextrin 3.00 Dipropylene Glycol 0.60 Free Perfume ** 0.60 Dimethicone 5.00 i? -j ¡If? ili TÍßÉir n'ri EXAMPLE X EXAMPLE XI Inqredient% p / p Inqredient% p / p Corn starch (Starch 60.80 Corn starch 50.00 Topic) (Topic Starch) Silica (Microspheres) 2.00 Talc 10.00 Silica Fumante 2.00 Silica (Microspheres) 3.00 Zinc Fenolsulfonate 3.00 Silica Fumante 1.00 Triclosan .20 Zinc Fenolsulfonate 3.00 Cyclodextrin 3.00 Triclosan 0.30 Aloe Vera, dried by 1.00 Cyclodextrin 13.00 aspersion / freezing Nylon-12 5.00 Aloe Vera, dried by 0.50 aspersion / freezing Zinc Stearate 7.00 Nylon-12 5.00 Acetate Microcapsules 2.00 Zinc Stearate 3.00 Tocopheryl Dimethicone 10.00 Microcapsules 2.00 Tocopheryl Acetate Encapsulated Perfume * 4.00 Mineral Oil 2.00 Dimethicone 5.00 Free Perfume ** 0.20 Encapsulated Perfume * 2.00 Example X also Example VI can also comprise a can comprise a zeolite coloring EXAMPLE XII Ingredient% p / p Rice Starch 51.00 Mica 2.00 Silica (Ellipsoids) 2.00 Fuming silica 1.00 Triclosan 0.50 Aluminum chlorohydrate 5.00 Cyclodextrin 6.00 Aloe Vera, 1.00 freeze dried / sprayed Polyethylene powder 5.00 Zinc stearate 5.00 Tocopherol acetate oil ( acetate or 00 of vitamin E) Dimethicone 10.00 Nylon N-12 5.00 Free perfume ** 0.50 Encapsulated perfume + 3.00 EXAMPLE XIII Ingredient% p / p Octenyl starch of 30.20 aluminum Succinate (Dry Fio® Puree) Silica (Ellipsoides) 4.00 Zinc phenolsulfonate 7.00 Triclosan 0.60 Cyclodextrin 10.00 Aloe Vera gel / oil 1.00 Zeolite 10.00 Talc 13.60 Polyethylene powder 7.00 Zinc stearate 5.00 Oil mineral 5.00 Dimethicone 6.00 Free perfume ** 0.60 The composition of Example VII may also comprise a zeolite.
EXAMPLE XIV Ingredient% p / p Tapioca starch 46.50 Talc 4.90 Silica (microspheres) 2.50 Fuming silica 2.00 Zinc oxide 4.00 Triclosan 1.00 Cyclodextrin 4.00 Aloe Vera gel / oil 2.00 Nylon-12 10.00 Zinc stearate 6.00 Isopropyl myristate 4.00 Dimethicone 5.00 Free perfume * * 0.10 Encapsulated perfume * 8.00 EXAMPLE XV Ingredient% w / w Corn starch (starch 29.00 topic) Oatmeal / cereal 16.35 colloidal oats Silica (microspheres) 2.50 Silica (ellipsoids) 1.50 Kaolin 8.00 Zinc oxide 2.00 Triclosan 0.40 Cyclodextrin 5.00 Aloe Vera gel / oil 2.00 Nylon-12 4.00 Polyethylene powder 4.00 Zinc stearate 10.00 Tocopheryl acetate 5.00 Microcapsules Dimethicone 10.00 Free perfume ** 0.25 EXAMPLE XVI Ingredient% w / w Corn starch (topical 49.00 starch) Kaolin 14.50 Silica (microspheres) 2.50 Silica (ellipsoids) 1.50 Fuming silica 0.50 Zinc phenolsulfonate 2.00 Triclosan 0.20 Ciclodextrin 8.00 Aloe Vera gel / oil 3.00 Nylon-12 2.00 Polyethylene powder 5.00 Tocopheryl acetate 3.00 Microcapsules 10 Isopropyl myristate 2.00 Dimethicone 5.00 Free perfume ** 0.80 Encapsulated perfume * 1.00 * Any perfume encapsulated in Examples I-XVI may comprise any of the perfume compositions of Examples A-15 G. ** Any free perfume in Examples I-XVI may comprise any of the perfume compositions of Examples E- G. The above examples are prepared by the following steps: a first mix is created, mixing the cyclodextrin, ingredients dry and a powder vehicle in a commercially available mixer, such as a V-blender, double-cone mixer or ribbon blender until the mixture is uniform; the particle size of the mixing using a grinding / spraying technique such as hammer grinding, impact grinding, trituration by ball or grinding with fluid energy; and a second mixture is created by adding any emollient, humectant and / or skin protectants from the liquid phase to the mixture, preferably using spray atomization while continuing to mix for a more uniform dispersion. The second mixture may be subjected to a second spraying / milling step, and if desired, an air sorting operation. When the above examples include free perfume compositions, the creation of the second mixture may include the addition of the perfume compositions in the liquid phase. When the above examples include encapsulated perfume, the encapsulated perfume can be added with the dry ingredients when the first mixture is created; or, preferably, it can be added in a final step of creating a third mixture by adding the encapsulated perfume to the second mixture with mixing.
Preparation for application to the skin: The compositions of the present invention, such as those formed from the examples, can be loaded onto a cloth or deposited in a spray device or box. The compositions can be applied directly on the skin or on a flexible delivery medium chosen by the user for convenient application to the skin. To prepare the cloths, the composition is applied, splashed or sprayed onto a flexible supply medium until the desired coating or thickness of the composition is achieved on the flexible supply medium. For the spray, the composition is deposited in the selected spray pack. The packaging is closed for storage until it is used by the consumer. To prepare a pressurized aerosol spray, the composition is transferred into a suitable container. The container is sealed and pressurized after injection of the propellant materials.
EXAMPLE XVII A woman with urinary stress incontinence discovers that the moisture associated with this condition causes vaginal odor that she wants to remove from the skin and control. After urinating, the woman cleans her outer vagina and pelvic region with a cloth containing the composition in Example X. This woman notes less odor after using the cloth.
EXAMPLE XVIII An obese woman with large breasts finds that when she exercises she tends to experience sweating and skin irritation under the breasts. Before and after exercise, apply the composition of example III or IX by means of a spray bottle. Spray the perfumed composition under her breasts. The woman also applies the composition in interstitial regions between her abdominal skin folds, as well as in other occluded skin sites. She notes less odor and excess moisture after using the powder spray.
EXAMPLE XIX A man has severe allergies to cosmetic deodorants, antiperspirants, strong colognes, and avoids the use of such products. The above results in an uncontrolled and shameful body odor. Your doctor suggests you apply the mild odor absorbing composition of Example I or XV after bathing. The man applies the composition throughout his body by spraying every morning after bathing, and does not suffer any allergic reaction. The man feels comfortable without the shame of an uncontrollable and persistent body odor. The man keeps a small bag of cloths that also contain the composition of example I or XV, for a convenient and discreet reapplication as necessary.
SaJ-fe - gj

Claims (13)

NOVELTY OF THE INVENTION CLAIMS
1. - An odor absorbing composition comprising: a) about 0.1% to 25%, by weight of the composition, of cyclodextrin that does not form complexes; b) a perfume composition selected from the group consisting of from about 0.05% to 15%, by weight of the composition, of an encapsulated perfume, about 0.01% to 5%, by weight of the composition, of free perfume; and mixtures thereof; and c) a powder vehicle; wherein the encapsulated perfume comprises one or more volatile perfume ingredients each having a boiling point of less than about 260 ° C, ingredients having low odor detection threshold values, and mixtures thereof.
2. The composition according to claim 1, further comprising 5% to 60%, by weight of the composition, of a highly effective moisture absorbent.
3. The composition according to claim 2, further characterized in that the highly effective moisture absorbers are selected from the group consisting of silicates, silicas and carbonates.
4. The composition according to any of the preceding claims, further characterized in that the cyclodextrin is selected from the group consisting of beta-cyclodextrin, beta-cyclodextrin derivatives, alpha-cyclodextrin, alpha-cyclodextrin derivatives, gamma-cyclodextrin, gamma-cyclodextrin derivatives and mixtures thereof.
5. The composition according to any of the preceding claims, further characterized in that the particle sizes are from 1 miera to 100 micras.
6. The composition according to any of the preceding claims, further characterized in that the particle sizes of the cyclodextrin are from 1 miera to 12 microns.
7. The composition according to any of the preceding claims, further comprising optional ingredients selected from the group consisting of zeolites, activated carbon, sodium bicarbonate, antimicrobial agents, antiperspirants, skin protectants, emollients, humectants and sliding compounds .
8. A composition preformed for cleaning by rubbing, characterized in that the composition according to any of the preceding claims is deposited on a cloth comprising a flexible supply means.
9. The composition according to any of the preceding claims, which is supplied as a powder by a manually activated spray dispenser.
10. The use of the compositions according to any of the preceding claims for the manufacture of a composition Moisture and odor absorber, which is safe to use on the skin, wherein the composition is applied on the skin to reduce body odor and / or vaginal odor.
11. The use according to claim 10, wherein the composition is applied on a pelvic region, external vagina and / or panty line.
12. The use according to claim 10 or 11, wherein the composition is applied to the skin using a manually activated spray dispenser.
13. A process for making an odor and moisture absorbing composition, comprising the steps of: a) making a first mix by mixing a powdered vehicle, highly effective moisture absorbers and cyclodextrin in a commercially available mixer until uniform; b) create a reduced size mix by applying a commercially available size reduction technique to the first mix until a desired particle size distribution is achieved; and c) creating a perfumed powder composition by spraying the reduced size mix with free perfume and mixing. ^^^ jt = á ^ é ^^^? m - ^^ - ^ & ^^^,
MXPA/A/1999/011488A 1997-06-09 1999-12-09 Perfumed compositions and methods for reducing body odors and excess moisture MXPA99011488A (en)

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US871790 1997-06-09

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