MXPA00006595A - Foaming cleansing skin product - Google Patents

Abstract

A foaming cleansing product is provided as a cleansing composition packaged in a non-aerosol mechanical dispenser. The dispenser includes a container for holding a liquid composition, a dispensing head with a housing enclosing a pump mechanism and a screen material in the flow path to convert liquid composition into a foam, and a diptube for delivering liquid from the container to the dispensing head. The cleansing composition is substantially free of water insoluble emollients and includes an anionic surfactant and an amphoteric surfactant of structure (I):wherein R is a fatty alkyl of 6 to 22 carbons;R1 is selected from the group consisting of H, C2H4COOH and C2H4COONa;and R2 is selected from the group consisting of COONa, CH2CHOHCH2SO3Na, C2H4COONa, CH2COOCH2COOH and CH2COOCH2COONa.

Description

SPARKING PRODUCT FOR SKIN CLEANSING BACKGROUND OF THE INVENTION Field of the Invention The invention relates to a cleaning product which is a combination of a non-aerosol dispenser and a cleaning composition designed to cooperate with the dispenser to generate a foam. of mousse quality while at the same time imparting the benefits of hydration to the skin.

The Related Art Compositions for cleaning in the form of mousse have some attraction for consumers. The main one is the foam instantly achieved by the mere pressing of a button. Aerosol dispensers that employ propellants generally provide a satisfactory volume of foam. Unfortunately, aerosol products are under attack for environmental reasons. Volatile organic materials interfere with the earth's ozone layer and contribute to smog in metropolitan areas. Aerosol packs are also relatively expensive to assemble. For all these reasons, attention has recently been directed to those who are not aerosolized. US Pat. No. 5,635,469 (Fole et al) describes personal cleansing products comprising a liquid composition and a non-aerosol dosifixer, which produces foam. The compositions include a surfactant, a cationic or non-ionic water-soluble polymer, a humectant, an emollient insoluble in water and water. The dosing device employs at least two gratings through which the composition is used to generate a foam. The provision of cleaning compositions by means of non-aerosol dispensers has presented many challenges. The foams produced from these dosifinators often lack the dense volume that consumers want. These foams may also not be durable or f_r or dosa. The additives within these compositions which attempt to provide skin benefit agents may interfere with the properties of the foam. Moreover, certain types of non-aerosol dispensers which operate porous filters or mesh screens require that "the cleaning product be relatively non-viscous." Where the package is transparent, formulators seek clear formulations for the purpose. Therefore, it is an object of the present invention to provide a cleaning product in the form of a mousse which provides a dense leafy foam.Another object of the present invention is to provide a product for cleaning in mousse form which will provide skin benefit agents that do not interfere with the skin's properties. Still another object of the present is to provide a mousse-shaped cleaning product having a clear liquid formulation. the present invention will become more readily apparent from the consideration of the brief description and detailed description that follow.

BRIEF DESCRIPTION OF THE INVENTION A foaming cleaning product is provided which includes: (A) a non-aerosol dispenser having: (i) a container for storing a cleaning composition (ii) a head having a housing surrounding a pumping mechanism and a foaming grid material; (iii) an immersion tube communicating between the container and the operating head for fluidly delivering a liquid cleaning composition between the container and the head and being upstream of the grate material; and (B) The cleaning composition is substantially free of insoluble emollients in water and includes: (i) from 0.1 to 50% by weight of an anionic surfactant; and ii) from 0.1 to 30% by weight of an amphoteric surfactant having the structure: wherein R is a fatty alkyl of 6 to 22 to rbonos; R1 is selected from the group consisting of H, C2H4COOH and C2H4COONa; and R2 is selected from the group consisting of COONa, C H, C HOHC H2S 03N a, C2H4COONa, CH2COOCH2COOH and CH2COOCH2COONa.

DETAILED DESCRIPTION It has now been discovered that a rich, leafy, creamy foam can be generated through a non-aerosol mechanical pump by a cleaning system based on anionic surfactants and an amphoteric having the structure: O C2H4OR1 R-C-NH-C2H4-N-C2H4R2 wherein R is a fatty alkyl of from 6 to 22 carbons; R1 is selected from the group consisting of H, C2H4COOH and C2H4COONa; and R is selected from the group consisting of COONa, C H 2C HOH C H2S O 3N a, C2H COONa, CH2C0CCH2C00H and CH2COOCH2COONa. Specific examples of these amphoteric active substances include the alkaline, 1-to-1-alkaline, ammonium and tricalcium salts of cocoanuts, cocofat, coconut protein, cocoa fod ip r op i on atoy mixtures of them. The most preferred one is that of sodium available as Miranol HMA from Rhone Poulenc Corporat ion. Similar surfactants such as Aprpho t e r ge® are also available from Lonza I c., Fair L ^ a, New Jersey. While the sodium salt is preferred, other cations may also be employed, including lithium, potassium, magnesium and calcium. The amounts of the amphoteric surfactant can range from 0.1 to 20%, preferably from 1 to 10%, optimally from 2 to 6% by weight of the composition. An additional component of cleaning compositions according to the present invention is that of an anionic surfactant. Illustrative but non-limiting examples include the following classes: Sulphonates of alkobenzene in which the alkyl group contains from 9 to 15 carbon atoms, preferably from 11 to 14 carbon atoms in of linear chain or branched chain. Especially preferred is a 1 to 11 b e n ce p 1 1 linear ring containing about 12 carbon atoms in the alkyl chain. (2) The alkyl sulphates obtained by sulfation of an alcohol having from 8 to 22 carbon atoms, preferring from 12 to 16 carbon atoms. The a 1 qu 11 s or 1 f a t o s have the formula ROS03 ~ M + where R is the Cg-22 alkyl group and M is a mono and / or divalent cat. 3) Parafam sulfonates having from 8 to 22 carbon atoms, preferably from 12 to 16 carbon atoms, in the alkyl portion. These surfactants are commercially available as Hostapur SAS from Hoechst Celanese. (4) Olefin sulphonates having from 8 to 22 carbon atoms, preferably from 12 to 16 carbon atoms, the most preferred being the olefin C 1 -C 6 sulfonate of sodium, available as AS 40 ©. Alkylether sulfates - derived from an alcohol having from 8 to 22 carbon atoms, preferably from 12 to 16 carbon atoms, ethoxylates with less than 30, preferably less than 12 moles of ethylene oxide, sulfate is most preferred. of sodium lauryl ether formed from the average ethoxylation of 2 moles, available ero-ercially as Standopol ES -2® Sulfonates of 1 to 1 g and 1 to 1 which have from 8 to 22 atoms carbon, preferably from 12 to 16 carbon atoms, in the alkyl portion Fatty acid ester sulphonates of the formula: RXCH (S 03 -M +) C02R2 wherein R 1 is a linear or branched alkyl of about Cs to Cie, preferably _C? 2 to C 16 and R2 is a linear or alkylated alkyl of about Ci to Ce, preferably Ci, and M + represents a mono- or divalent cation. (8) Secondary alcohol sulfates having from 6 to 18, preferably from 8 to 16 carbon atoms. (9) Fatty acyl isothionates having from 10 to 22 carbon atoms, being preferred with sodium cocoyl isothionate. _ (10) D ia 1 qui 1 s ul ucts where the "alkyl groups vary from 3 to 20 carbon atoms each." (11) Al ca no i 1 sar eos i tones corresponding to the formula RCON (C H3) C H2 C H2 C02M wherein R is alkyl or alkenyl of about 10 to about 20 carbon atoms and M is a water soluble cation such as ammonium, sodium, potassium and t r i a 1 canoiiamoni o. The most preferred is lauroyl sarcoate if sodium nato. Co-surfactants may also be present to aid in foam formation, detergency and softness properties. Nonionic and amphoteric actives are the preferred co nt o n t i n e s. Suitable non-ionic surfactants include C C-C2o fatty alcohol or condensed acid hydrophobes with 2 to 10 moles of atomic oxide or propylene oxide per mole of hydrophobe; C2-C? C alkylphenols condensed with 2 to 20 moles of alkylene oxides; ethylene glycol fatty acid mono- and di-esters such as di e s t e ar ato. ethylene glycol; monoglycerides of fatty acids; mono and di C8-C20 fatty acids of sorbite a n; and polyoxyethylene sorbitan available as Polys otrbate 80 and Tween 80 © as well as combinations of any of the above mentioned t or s. Other useful nonionic surfactants include 1-valent, saccharide fatty amides (eg, 1 to 1 ammonium) as well as oxides of long chain tertiary amine. Examples of the latter category are: 1-amino-1-diene oxide, oleyl-di (2-hydroxyethyl) amine oxide, dimethyl acrylamide oxide, 1-amine dime thiol oxide, dimethyl-t-oxide Other suitable amine, di (2-hydroxy-thi 1) tetra of c 11 amine, 3-di-do-coxy-2-yl oxide, oxopr op i 1 di (3 -hi dr ox ox r op i 1) amine, and dime tyl hexadecyl amine oxide. The amounts. of surfactant no. ion can vary from 0.1 to 49%, preferably from 0.5 to 15%, optimally from 1 to 5% in. weight of the total composition. Amphoteric surfactants such as hetairs can also be used co-actively together with the anionic surfactants. Suitable betaines may have the general formula RN + (R1) 2R2COO ~ where R is a hydrophobic portion selected from the group consisting of alkyl groups containing from 10 to 22 carbon atoms, preferably from 12 to 18 carbon atoms. carbon, alkylaryl and arylalkyl groups containing from 1 to 22 carbon atoms with a benzene ring that is treated as equivalent to about 2 carbon atoms, and similar structures interrupted by amido or ether bonds, each ü1 is an alkyl group containing from 1 to 3 carbon atoms, and R2 is an alkylene group containing from 1 to about 6 carbon atoms. " Sulfobetaines such as cocoamidopropyl sultaine are also suitable. Examples of the preferred betamids are C 1 -methyl-1-betaine, cetyldimethyl-ethame, dode-cy-dopr-op-1-dimetho-1-betaine, tetr-decyl-di-1-betaine, tetra-cy-dop-op-op 11-di-ti 1 betaine and hexanoate of dode ci ldime ti 1 amon io. Most preferred is cocoami dop r opi 1 betaine available as Tegobetaine F © sold by Th. Goldschmidt AG of Germany. The amounts of the betaine can vary from 0.05 to 15%, preferably from 0.5 to 10%, optimally from 2 to 8% by weight of the total composition. They can also be included. hydration ingredients in the compositions of the present invention. Water-soluble moisturizers such as humectants of the polyhydric alcohol type are particularly preferred. Typical polyhydric alcohols include glycerol (also known as glycerin), which is preferably more alkylene polyols and their derivatives, including polypropylene glycol 1, dipropylene glycol, polypropylene glycol, polyethylene glycol and polyethylene glycol. Derivatives of mimo s, s ^ o rb ito 1, hi dr oxip r op i 1 sorbitol, hexylene glycol, 1,3-butylene glycol, 1,2,6-hexanotriol, glycerol et 3x i 1 a do , propoxylated glycerol and mixtures thereof. For the best resins the humectant is preferably glycerin. The amount of humectant can vary anywhere from 0.5 to 30%, preferably between 1 and 15, by weight of the composition. The compositions of the present invention are preferably substantially of any oil phase, especially and substantially of water insoluble emollients. The term "substantially " means less than 0.05%, preferably less than 0.01% emollient, and insoluble in water means that at least 1% of the water solubility in distilled water at minus 25 ° C. of about 1 gm per-100 mL, more preferably less than about 0.1 gm per 100mL Water-insoluble emollients absent, the compositions can be transparent and have improved foaming ability. Conservatives may be incorporated within the cosmetic compositions of this invention to protect against the growth of potentially harmful micro-organisms. Traditional preservatives are suitable for EDTA s and the para 1 hydroxybenzoic acids. Other preservatives that have most recently come into use include hydantoin derivatives, propionate salts and a variety of quaternary ammonium compounds. The cosmetic chemists are familiar with the appropriate ingredients and routinely choose them to satisfy the conservative challenge test and to provide stability to the product. Particularly preferred preservatives are the carbamate of odop r op inulbu 111 or, f enoxi ethane 1, me ti Ipa r abeno, pr op i 1 p ara ara, imida zo 1 i din i 1 urea, deh i dr or sodium cetate and benzyl alcohol. - Conservatives _ should be selected considering the use of the. composition and the possible incompatibilities between the c o n s e v v ectors. and other ingredients in the composition. Consumulators are easily reacted in amounts ranging from 0.01% to 2% by weight of the composition. Minor adjunct ingredients may be present in the co-mestic compositions. Among them may be the soluble vitamins, water, dyes, fragrances and opacifier. Each of these substances can vary from 0.05 to 5%, preferably between 0.1 and 3% by weight of the composition. Advantageously, the compositions of the invention may contain a foam densifying agent. Examples of this substance are wax materials with a melting point greater than 20 ° C, preferably greater than 40 ° C. Illustrative "are the ethoxylated glyceride esters such as PEG 75 soy glycerides sold under the trademark Acconcon S 75. C8-Ci2 acyl lactylates such as sodium lauroyl lactylate sold as Pationic 138 C® available from Patterson Chemical are also useful. The amounts of these agents may vary from 0.1 to 10%, preferably from 0.5 to 5%, optimally from 1 to 3% by weight - The cationic conditioning agents of the monomeric and polymeric type are also useful for the purposes of this invention Examples of the polymeric type include: derivatives - cationic cellulose, cationic starches, copolymer of a diammonium quaternary ammonium salt and an acrylamide, condensates of polymers of polyethylene glycol 1 pirro 1 i do na ini limi dazo 1 cuate r_n iza da, quaternized collagen polypeptide, po 1 ie ti 1 enimina, silicon polymer cañonizado (for example, Amod ime t i c on a), cationic silicon polymers provided in a mixture with other comporrents under the trademark Dow Corning 929 (cationized emulsion), copolymers of. and the dimethylaminohydroxypropyl d le t xle n t r i amine, derived from cationic chitin, cationized guar gum [e.g. Jaguar C-B-S, Jaguar C-17, Jaguar C-16, etc. manufactured by the Company Celanese), polymers of ammonium salt. (for example, Mirapol A-15, Mirapol AD-1, Mirapol A Z - 1, etc., manufactured by the Miranol D iv ison of the Rhone Poulenc Company). The most preferred is p and 1 and which is available as Luviquat © PQ11 sold by the BASF Corporation. Examples of monomeric cationic conditioning agents are salts of the general structure: wherein R1 is selected from an alkyl group having from 12 to 22 carbon atoms, or aromatic, aryl or alkaryl groups having from 12 to 22 carbon atoms; R2, R3 and R4 are independently selected from hydrogen, an alkyl group having from 1 to 22 carbon atoms D, O, or aromatic, aryl or alkaryl groups having from -12 to 22 atom_o s_ de__ca rb ono; and X "is a selected anion of chloride, bromide, iodide, acetate, phosphate, nitrate or, sulfate, methyl thallus, ethylsulfafo, osylato," lactate, citrate, glycolate, and mixtures thereof. Additionally, the -chiyl groups may also contain ether linkages or substituents of the hydroxy or amino group (for example the alkyl groups may contain portions of polyethylene glycol, and polypropylene glycol). Preferably the anion - is phosphate, especially preferred is hydroxyethyl tertiary ammonium phosphate or available as Luviquat® Mono CP from BASF Corporation. Similarly, amino silicones can be used. Most preferred is Silquat AD designated by the CTFA as Silicone Quaterhium 8, available from Siltech Inc. The amounts of each cationic agent may vary from 0.05 to 5%, preferably from 0.1 to 3%, or rt from 0.3 to 2.5%. in weigh. - - - - Advantageously the compositions of this invention are transparent. For him . Transparent term is meant to imply that it has a maximum of t anmi an an i a light ai. 4% of which wavelength - in the range of 400 to 700 mm through a 1 cm thick sample - a transparent composition is one that also allows enough light transmittance. the reading of newspaper form through a thickness provided to the diameter of the container used with the dispenser described herein The compositions of this invention should also be of relatively low viscosity to be pumpable. 1 to 300 centipoise, preferably 3 to 100 centipoise, optimally 5 to 50 centipoise at 25 [deg.] C. An essential element of the cleaning elements according to this invention is a mechanical dosing which is not aerosolized. Characterized by a container for storing the composition (a transparent container), a head, dosed by a housing containing a pump, and a dip tube for transferring the composition -from the container into the head of the dispenser. The foam is created by requiring the composition to pass through a grid material which may be a porous substance such as .co or a sintered material, a grid of fine wire mesh (plastic or metal) or similar structures. _. _- Suitable dispensers are described in US Pat. No. 3,709,437 (Ir i ~ g hi), - Patent "Ñor te ame ricana 3,937,364 (right), Patent Ñor t Ame ricana 4,022,351 (Wright), US Patent 4,147,306 B e nn e 11), US Patent No. 4,184, 615 (right), US Patent 4,598,862 (Rice), Patent North American 4,615,467 (Grogan et al. And American North Patent 5, 364.031 (Tamiguchi et al.). However, the most preferred is a device owned by Airspray International Corporation, described in WO 97/13585 (Van der Heijden). All of these patents are hereby incorporated by reference. The Airspray device comprises a container for storing a cleaning composition and a dosing head, the latter including at least one concentric air pump and liquid pump. Each of the b or mb a.s_ has a piston seal with a piston movable therein and an input component and wants rg, and an operating component for operating the pistons. The operating pipe is integrated with one of the pistons ~ and comprises an outer flow channel with an opening of the piston a. Closing mechanisms are present which make it possible to suck air or liquid or, respectively, and dispense them, at the entrance and disposal of the pumps. The pump includes a closing mechanism. double action - which can be actively operated, by the operation component. The closing mechanism prevents the entry of air into the air pump and the discharge of air from it. The air piston is able to move freely over a small distance with respect to the opto-ion amplifier. The following examples will more fully illustrate the embodiments of this invention.

All, the parts, percentages and proportions referred to herein and in the api indications are by weight of the total composition unless otherwise indicated.

EXAMPLES 1-8 The following examples are representative cleaning formulations according to the present invention.

These formulas are prepared by saturating water to form phase A in a main vessel. Then the heating is started to achieve a temperature of 50 ° C. Then Pati on i c 138C is added and allowed to dissolve slowly. The remaining ingredients listed under phase A are added and allowed to dissolve. Heating and stirring is continued until a uniform mixture is obtained. The phase A is then cooled. The ingredients of phase B are then added to stage A with slow agitation to minimize aeration. Agitation is continued until the mixture becomes uniform. Then phase C is added to the resulting mixture at 35 ° C. " EXAMPLES 9-18 The following examples demonstrate the effect of the change of surfactants and additives on the properties of the foam and the perception to the skin.

OPERATION Good dosage and conformation of foam; soap foam very thin, lacks substance; later perception of much detachment. Good dosage and conformation of foam; soap foam very thin, lacks substance; later perception of much detachment. Good dosage and conformation of foam; very thin soap foam; poor cleaning; soft posterior perception. Good dosage but the foam collapses quickly; very thin soap foam, poor cleaning; soft posterior perception; nebula. Good dosage and conformation of foam; soap foam very thin, lacks substance; later perception of much detachment. Good dosage and conformation of foam; good soap foam but - it could be denser; later perception of non-detachment. Good dosage and conformation of foam; good soap foam but it could be more dense; later, better, more substantive perception; of no detachment. Good dosage and conformation of foam; dense soap foam; posterior perception .jjjar, of non-detachment.

The comparative experiments indicate that with an exception, all these examples have good dosing and foaming. However, the use of anionic surfactants alone or even of amphoteric surfactants alone as in Examples 9 to 13 results in a relatively very thin soap foam which lacks substance.These compositions also impart a relatively rough after-image with extraction of oils from the skin Example 14 employs a combination of anionic and amphoteric surfactant synbarbones providing a subsequent perception -relatively of detachment- the soap scum was also much more so than in the first experiments The addition of sodium lauroyl lactylate or PEG 75 soy glycerides as in Examples 15 to 18 substantially improved the soap scum and provided very good forward perception.

EXAMPLES 19-26 The following tests were prepared to investigate the effect of more soluble emollients in water on foam, subsequent perception and other physical properties.

OPERATION 19 Good dosage and conformation of foam; good soap foam but it could be denser, good posterior perception, conditioned. 20 Good dosage and conformation of foam; good soap foam but it could be more dense; good posterior perception, more substantive, conditioned not released 21 Good dosage and foam formation; more dense soap foam; later perception better, more conditioned. 22 Good dosage and conformation of foam; more dense soap foam, excellent posterior perception, conditioned and hydrated. 23 Dimethicone instead of Silquat AD - dimethicone incompatible, separates into two phases. 24 Microemulsion of dimethicone instead of Silquat AD - disperses but depresses the conforation of foam and soap scum. 25 Sunflower seed oil instead of Silquat AD - disperses but depresses foam and soap scum; creation of fog 26 Soybean oil with a salt of maleic acid instead of SilquatAD - separated into two phases. Examples 23-26 demonstrated that water-insoluble emollients such as dimethicone, my dimethyl alcohol, sunflower seed oil and soybean oil with an acid salt, jialeic depressed soap scum or they separated it from the formulation.

Claims (11)

CLAIMS 1. A foaming product for cleaning comprising: (A) a non-aerosol dispenser having: (i) a container for storing a composition for cleaning; (ii) a head having a housing that surrounds a pumping mechanism and a grating material that forms foam; (iii) an immersion tube that communicates between the container and the operating head to fluidly supply a liquid cleaning composition between the container and the head and being current to arrive from the grating material; and (B) the cleaning composition is substantially free of water-insoluble emollients and comprises: (i) from 0.1 to 50% by weight of an anionic surfactant; and (ii) from 0.1 to 30% by weight of an aqueous surfactant having the structure: wherein R is a fatty alkyl of 6 to 22 carbons; R1 is selected from the group consisting of H, C2H4COOH and C2H4COONa; and R2 is selected from the group consisting of C CLON a, CH2 C HOH C H 2 S 03N a, C2H4COONa,
1. CH2COOCH2COOH and CH2COOCH2COONa.
2. 2. The product according to claim 1, wherein the grid material is a fine wire mesh. "
3. 3. The product according to claim 1 or 2, wherein a second fine mechanical web is placed downstream from the first thin metal web, requiring the cleaning compound to pass through the first and second thin metal webs to achieve a foam.
4. 4. The product according to any preceding claim, wherein the amphoteric surfactant is selected from the group consisting of. lauro an foacetate and 1 a u n a n d o f t a c t t a t.
5. 5. The product in accordance, csn in which the preceding claim, additionally comprises a foam densifying agent present in an amount of 0.1 to 10% by weight.
6. 6. The product according to claim 5, wherein the densifying agent is. a wax ester with a melting point higher than 20 ° C.
7. 7. The product according to claim 6, wherein the wax ester has a melting point greater than 40 ° C
8. 8. E 1 p roduct according to claim 6 6 7 wherein the wax ester is. an ester of ethoxylated glyceride.
9. 9. The product according to the preceding claim, wherein the foam densifying agent is an acyl of Cg-C ^ 1 a c t i lato.
10. 10. The product according to the vinification 9, wherein the lactylate is sodium lauroyl lactylate.
11. 11. The product according to any preceding claim, comprising at least 0.05 to 15% by weight and betaine.