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WO2010070140A1 - Composition anti-transpirante contenant au moins un complexe formé par combinaison d'au moins une espèce anionique et d'au moins une espèce cationique, et procédé de traitement de la transpiration humaine - Google Patents

Composition anti-transpirante contenant au moins un complexe formé par combinaison d'au moins une espèce anionique et d'au moins une espèce cationique, et procédé de traitement de la transpiration humaine Download PDF

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Publication number
WO2010070140A1
WO2010070140A1 PCT/EP2009/067654 EP2009067654W WO2010070140A1 WO 2010070140 A1 WO2010070140 A1 WO 2010070140A1 EP 2009067654 W EP2009067654 W EP 2009067654W WO 2010070140 A1 WO2010070140 A1 WO 2010070140A1
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Prior art keywords
cosmetic composition
cationic
anionic
polymers
chosen
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Inventor
Odile Aubrun
Laurence Arnaud
Jean-Thierry Simonnet
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LOreal SA
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LOreal SA
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00—Anti-perspirants or body deodorants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/54—Polymers characterized by specific structures/properties
    • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
    • A61K2800/5424—Polymers characterized by specific structures/properties characterized by the charge anionic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/54—Polymers characterized by specific structures/properties
    • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
    • A61K2800/5426—Polymers characterized by specific structures/properties characterized by the charge cationic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/59—Mixtures
    • A61K2800/594—Mixtures of polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/88—Two- or multipart kits

Definitions

  • the present invention relates to a complex formed by combining at least one anionic species and at least one cationic species, for the treatment of human perspiration, comprising two suitably selected components intended to be mixed together before application to the skin, of which at least one of the species does not have any antiperspirant effect at the level used in the composition.
  • the invention also relates to a cosmetic process for treating human perspiration involving the use of the complex as defined above.
  • the armpits and also certain other parts of the body are generally the site of much discomfort that may arise directly or indirectly from perspiration.
  • This discomfort often leads to unpleasant and disagreeable sensations that are mainly due to the presence of sweat resulting from perspiration, which may, in certain cases, make the skin and clothing wet, especially in the region of the armpits or on the back, thus leaving visible marks.
  • the presence of sweat may give rise to the production o f body odour, which is usually unpleasant.
  • sweat may also leave salts and/or proteins at the surface of the skin, which may result in whitish marks on clothing. Such discomfort should be dealt with, including in the case of moderate perspiration.
  • antiperspirant products containing substances that have the effect of limiting or even preventing the flow of sweat in order to overcome the problems mentioned above.
  • These products are generally available in the form of roll-ons, sticks, aerosols or sprays.
  • Antiperspirant substances are generally formed from aluminium salts, such as aluminium chloride and aluminium hydroxyhalides, or complexes of aluminium and zirconium. These substances reduce the flow of sweat by forming a plug in the sweat duct. However, the use of these substances at high concentrations for the purpose of obtaining good efficacy leads to formulation difficulties.
  • antiperspirant substances may also leave marks during their application, which has the consequence of staining clothing.
  • antiperspirant compositions that prove to be effective and well tolerated by the skin.
  • Limiting the flow of sweat may be achieved by partially obstructing the sweat ducts by means of forming a plug in the sweat duct, but also by forming a film at the surface of the skin.
  • polymers bearing one or more Br ⁇ nsted acid groups and aluminium salts must be formulated separately to minimize the risks of phase separation that take place by formation of an insoluble complex, which may result in a reduction in the efficacy of the aluminium salts.
  • the Applicant has discovered, surprisingly, that by mixing a component bearing one or more cationic charges and a component bearing one or more anionic charges that are capable of reacting together via one or more ionic bonds, at least one of the components not having any antiperspirant effect, it is possible to formulate a complex whose toxicological profile is suitable for the skin and which gives a satisfactory antiperspirant effect, especially in terms of efficacy and resistance to sweat.
  • the Applicant has found that the combination of a component bearing one or more cationic charges and a component bearing one or more anionic charges that are capable of reacting together by forming one or more ionic bonds, of which at least one of the components does not have an antiperspirant effect, can lead to the formation of complexes that are water-soluble or that are in the form of a colloidal dispersion with a particle size generally of less than 1 ⁇ m.
  • the two compounds are therefore selected so that they are capable of reacting together by means of ionic bonds to form a complex that has antiperspirant activity.
  • Cosmetic compositions comprising such a complex can limit the flow of sweat when applied to the skin.
  • One subject of the present invention is thus especially an antiperspirant complex formed from a cosmetic composition A and a cosmetic composition B different from the cosmetic composition A, the said cosmetic composition A comprising one or more compounds capable of reacting with one or more compounds of the cosmetic composition B by forming one or more ionic bonds to give an antiperspirant effect, at least one of the said compositions A or B not having an antiperspirant effect.
  • complex means the species formed by ionic association between the cosmetic composition A and the cosmetic composition B as defined hereinbelow.
  • a subject of the present invention is also a cosmetic composition containing a complex as defined hereinabove.
  • the present invention also relates to the use of a complex as defined hereinabove, for treating human perspiration, and in particular for giving an antiperspirant effect.
  • Another subject of the present invention also consists of a cosmetic process for treating human perspiration, which consists in applying a composition containing a complex as defined above.
  • composition not having an antiperspirant effect means a composition which, when applied to the surface of the skin, does not have the effect of significantly reducing or limiting the flow of sweat. In other words, such a composition, for the purposes of the present invention, has little influence on the flow of sweat.
  • composition not having the effect of significantly reducing or limiting the flow of sweat means a composition which, when applied to the skin, reduces the flow of sweat by a percentage, noted R, of less than 10%.
  • the percentage reduction of the flow of sweat, noted R is established in accordance with the in vivo Bioskin gravimetric test.
  • the cosmetic composition A and/or B reduces the flow of sweat by a value of less than 10%.
  • the cosmetic composition A comprises one or more compounds capable of reacting with one or more compounds of the cosmetic composition B by means of a cation/anion reaction.
  • the compound(s) of the cosmetic compositions A and B are selected so that they react by forming one or more ionic bonds of cation/anion type, i.e. involving a reaction between a compound bearing at least one cationic charge and a compound bearing at least one anionic charge.
  • the compound(s) of the cosmetic compositions A and B may be chosen from cationic surfactants, anionic surfactants, cationic polymers, anionic polymers, anionic or cationic particles, or a mixture of these compounds.
  • the concentrations of the said constituents in each o f the said cosmetic compositions A and B are established such that, taken separately, they do not have any antiperspirant efficacy as defined above.
  • cationic surfactants that may be used according to the invention, mention may be made especially of the salts of optionally polyoxyalkylenated primary, secondary or tertiary fatty amines, and quaternary ammonium salts, and mixtures thereof.
  • quaternary ammonium salts examples include:
  • radicals Rs to Rn which may be identical or different, represent a linear or branched aliphatic radical containing from 1 to 30 carbon atoms or an aromatic radical such as aryl or alkylaryl.
  • the aliphatic radicals may comprise hetero atoms especially such as oxygen, nitrogen, sulfur and halogens.
  • the aliphatic radicals are chosen, for example, from alkyl, alkoxy, po IyOXy(C 2 -C 6 ) alky lene, alkylamide, (Ci2-C22)alkylamido(C2-C6)alkyl, (Ci 2 -C 22 )alkyl acetate and hydroxyalkyl radicals, containing from about 1 to 30 carbon atoms;
  • X " is an anion chosen from the group of halides, phosphates, acetates, lactates, (C2-Ce)alkyl sulfates, alkyl sulfonates and alkylaryl sulfonates;
  • R 12 represents an alkenyl or alkyl radical containing from 8 to 30 carbon atoms, for example fatty acid derivatives of tallow
  • Rn represents a hydrogen atom, a C 1 -C 4 alkyl radical or an alkenyl or alkyl radical containing from 8 to 30 carbon atoms
  • R 14 represents a C 1 -C 4 alkyl radical
  • R 1 5 represents a hydrogen atom or a C 1 -C 4 alkyl radical
  • X " is an anion chosen from the group of halides, phosphates, acetates, lactates, alkyl sulfates, alkyl sulfonates or alkylaryl sulfonates.
  • R12 and Rn preferably denote a mixture of alkenyl or alkyl radicals containing from 12 to 21 carbon atoms, such as, for example, fatty acid derivatives of tallow, Ri 4 denotes a methyl radical and R 1 5 denotes a hydrogen atom.
  • a product is sold, for example, under the name Rewoquat ® W75 by the company Rewo,
  • Ri 6 denotes an aliphatic radical containing from about 16 to 30 carbon atoms
  • R17, Ri s, R19, R20 and R21 which may be identical or different, are chosen from hydrogen and an alkyl radical containing from 1 to 4 carbon atoms
  • X " is an anion chosen from the group of halides, acetates, phosphates, nitrates and methyl sulfates.
  • diquaternary ammonium salts in particular comprise propanetallowdiammonium dichloride;
  • R22 is chosen from Ci -C 6 alkyl radicals and Ci -C 6 hydroxyalkyl or dihydroxyalkyl radicals;
  • R23 is chosen from: O I l
  • R25 is chosen from:
  • Ci -C 6 hydrocarbon- based radicals R29
  • R24, R26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C7-C21 hydrocarbon- based radicals; r, s and t, which may be identical or different, are integers ranging from 2 to 6; y is an integer ranging from 1 to 10; x and z, which may be identical or different, are integers ranging from 0 to 10;
  • X " is a simple or complex, organic or mineral anion; with the proviso that the sum x + y + z is from 1 to 15 , that when x is 0, then R23 denotes R27 and that when z is 0, then R25 denotes R29.
  • the alkyl radicals R22 may be linear or branched, but more particularly linear.
  • R22 preferably denotes a methyl, ethyl, hydroxyethyl or dihydroxypropyl radical, and more particularly a methyl or ethyl radical.
  • the sum x + y + z is from 1 to 10.
  • R23 is a hydrocarbon-based radical R27, it may be long and may contain from 12 to 22 carbon atoms, or may be short and may contain from 1 to 3 carbon atoms.
  • R25 is a hydrocarbon-based radical R29, it preferably contains 1 to 3 carbon atoms.
  • R24, R26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C 1 1 - C 21 hydrocarbon-based radicals, and more particularly from linear or branched, saturated or unsaturated C 1 1 -C 21 alkyl and alkenyl radicals.
  • x and z which may be identical or different, are equal to 0 or 1 .
  • y is equal to 1 .
  • r, s and t which may be identical or different, are equal to 2 or 3 , and even more particularly are equal to 2.
  • the anion is preferably a halide (chloride, bromide or iodide) or an alkyl sulfate, more particularly methyl sulfate.
  • methanesulfon- ate, phosphate, nitrate, tosylate, an anion derived from an organic acid, such as acetate or lactate, or any other anion that is compatible with the ammonium containing an ester function may be used.
  • the anion X " is even more particularly chloride or methyl sulfate.
  • R22 denotes a methyl or ethyl radical
  • - R-23 is chosen from:
  • - R25 is chosen from:
  • - R24, R-26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C 13 -C 17 hydrocarbon- based radicals and preferably from linear or branched, saturated or unsaturated C 13 -C 17 alkyl and alkenyl radicals.
  • hydrocarbon-based radicals are advantageously linear. Examples that may be mentioned include the compounds of formula
  • (IV) such as the diacyloxyethyldimethylammonium, diacyloxy- ethylhydroxyethylmethylammonium, monoacyloxyethyldihydroxyethyl- methylammonium, triacyloxyethylmethylammonium and monoacyloxy- ethylhydroxyethyldimethylammonium salts (chloride or methyl sulfate in particular), and mixtures thereof.
  • the acyl radicals preferably contain 14 to 18 carbon atoms and are obtained more particularly from a plant oil such as palm oil or sunflower oil. When the compound contains several acyl radicals, these radicals may be identical or different.
  • This esterification is followed by a quaternization using an alkylating agent such as an alkyl halide (preferably a methyl or ethyl halide), a dialkyl sulfate (preferably dimethyl or diethyl sulfate), methyl methanesulfonate, methyl para- toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin.
  • an alkylating agent such as an alkyl halide (preferably a methyl or ethyl halide), a dialkyl sulfate (preferably dimethyl or diethyl sulfate), methyl methanesulfonate, methyl para- toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin.
  • Such compounds are sold, for example, under the names Dehyquart ® by the company Henkel, Stepanquat ® by the company Stepan, Noxamium ® by the company CECA or Rewoquat ® WE 18 by the company Rewo-Witco .
  • compositions according to the invention preferably contain a mixture of quaternary ammonium salts of mono-, di- and triesters with a weight majority of diester salts.
  • mixtures of ammonium salts that may be used include the mixture containing 15% to 30% by weight of acyloxyethyldihydroxy- ethylmethylammonium methyl sulfate, 45% to 60% of diacyloxyethyl- hydroxyethylmethylammonium methyl sulfate and 15% to 30% of triacyloxyethylmethylammonium methyl sulfate, the acyl radicals containing from 14 to 18 carbon atoms and being derived from palm oil that is optionally partially hydrogenated.
  • ammonium salts containing at least one ester function that are described in patents US-A-4 874 554 and US-A-4 137 180.
  • the ones preferably used are, on the one hand, tetraalkylammonium chlorides such as, for example, dialkyldimethylammonium chlorides or alkyltrimethyl- ammonium chlorides, in which the alkyl radical contains from about 12 to 22 carbon atoms, in particular behenyltrimethylammonium chloride, distearyldimethylammonium chloride, cetyltrimethylammonium chloride, or benzyldimethylstearylammonium chloride, or, on the other hand, palmitylamidopropyltrimethylammonium chloride or stearamido- propyldimethyl(myristyl acetate)ammonium chloride sold under the name Ceraphyl ® 70 by the company Van Dyk.
  • the cationic surfactants that are particularly preferred in the composition of the invention are chosen from quaternary ammonium salts, and in particular from behenyltrimethylammonium chloride and palmitylamidopropyltrimethylammonium chloride.
  • the cationic surfactant(s) may be present in the compositions according to the invention in a content ranging from 0.1 % to 20% by weight and preferably in a content ranging from 0.1 % to 10% by weight relative to the total weight of the composition.
  • the anionic surfactants may be chosen especially from carboxylates, amino acid derivatives, alkyl sulfates, alkyl ether sulfates, sulfonates, isethionates, taurates, sulfosuccinates, alkyl sulfoacetates, phosphates and alkyl phosphates, polypeptides, anionic derivatives of alkyl polyglucoside, fatty acid soaps, and mixtures thereof.
  • carboxylates examples include alkali metal salts of N-acylamino acids; amidoether carboxylates (AEC), for instance sodium lauryl amidoether carboxylate (3 EO) sold under the name Akypo Foam 30® by the company Kao Chemicals; polyoxyethylenated carboxylic acid salts, for instance oxyethylenated (6 EO) sodium lauryl ether carboxylate (65/25/10 C 12- 14- 16) sold under the name Akypo Soft 45 NV® by the company Kao Chemicals; polyoxyethylenated fatty acids of olive oil and of carboxymethyl, for instance the product sold under the name Olivem 400® by the company Biologia E Tecnologia; oxyethylenated (6 EO) sodium tridecyl ether carboxylate sold under the name Nikko l ECTD-6NEX® by the company Nikkol.
  • AEC amidoether carboxylates
  • 3 EO sodium lauryl amidoether carboxy
  • the amino acid derivatives may be chosen, for example, from sarcosinates and especially acyl sarcosinates, for instance sodium lauroyl sarcosinate sold under the name Sarkosyl NL 97® by the company Ciba or sold under the name Oramix L 30® by the company SEPPIC, sodium myristoyl sarcosinate, sold under the name Nikkol Sarcosinate MN® by the company Nikkol, sodium palmitoyl sarcosinate, sold under the name Nikkol Sarcosinate PN® by the company Nikkol; alaninates, for instance sodium lauroyl-N-methylamidopropionate sold under the name Sodium Nikkol Alaninate LN 30® by the company Nikkol or sold under the name Alanone Ale® by the company Kawaken, and triethanolamine N-lauroyl-N- methylalanine, sold under the name Alanone Alta® by the company Kawaken; N-acylglutamates, for
  • Alkyl ether sulfates that may be mentioned, for example, are sodium lauryl ether sulfate (70/30 C 12- 14) (2.2 EO) sold under the names Sipon AOS 225® or Texapon N702 Pate® by the company Henkel, ammonium lauryl ether sulfate (70/30 C 12- 14) (3 EO) sold under the name Sipon LEA 370® by the company Henkel, and ammonium (C 12-C 14)alkyl ether (9 EO) sulfate sold under the name Rhodapex AB/20® by the company Rhodia Chimie.
  • sodium lauryl ether sulfate 70/30 C 12- 14) (2.2 EO) sold under the names Sipon AOS 225® or Texapon N702 Pate® by the company Henkel
  • ammonium lauryl ether sulfate 70/30 C 12- 14) (3 EO) sold under the name Sipon LEA 370® by the company
  • Sulfonates that may be mentioned, for example, are ⁇ -olefin sulfonates, for instance sodium ⁇ -olefin sulfonate (C 14- 16) sold under the name Bio-Terge AS-40® by the company Stepan, sold under the names Witconate AOS Protege® and Sulframine AOS PH 12® by the company Witco or sold under the name Bio-Terge AS-40 CG® by the company Stepan, secondary sodium olefin sulfonate sold under the name Hostapur SAS 30® by the company Clariant; linear alkyl aryl sulfonates, for instance the sodium xylene sulfonate sold under the names Manroso l SXS30®, Manrosol SXS40® and Manrosol SXS93® by the company Manro.
  • ⁇ -olefin sulfonates for instance sodium ⁇ -olefin sulfonate (C
  • Alkyl sulfates, alkyl ether sulfates and alkyl ether carboxylates, and mixtures thereof, in particular in the form of alkali metal salts, alkaline-earth metal salts, ammonium salts, amine salts or amino alcoho l salts, are preferably used.
  • the anionic surfactant(s) may be present in the compositions according to the invention in a content ranging from 1 % to 20% by weight and preferably in a content ranging from 2% to 10% by weight relative to the total weight of the composition.
  • the cationic or anionic polymer(s) that may be used in the cosmetic compositions A and B have a molecular weight of less than 500 000, preferably less than 300 000 and more preferentially 20 000.
  • cationic or anionic polymer(s) used in the cosmetic compositions A and B are not crosslinked.
  • cationic polymer denotes any polymer containing cationic groups and/or groups that may be ionized into cationic groups.
  • the cationic polymers that may be used in accordance with the present invention may be chosen from any of those already known per se as improving the cosmetic properties of the hair, namely, in particular, those described in patent application EP-A-337 354 and in French patents FR-2 270 846, 2 383 660, 2 598 61 1 , 2 470 596 and 2 519 863.
  • the cationic polymers that are preferred are chosen from those containing units comprising primary, secondary, tertiary and/or quaternary amine groups, which may either form part of the main polymer chain or may be borne by a side substituent directly attached thereto.
  • the cationic polymers used generally have a number-average molecular mass of between 500 and 5 x 10 5 approximately and preferably between 700 and 10 5 approximately.
  • cationic polymers that may be mentioned more particularly are polymers of the polyamine, polyamino amide and polyquaternary ammonium type.
  • R3 which may be identical or different, denote a hydrogen atom or a CH3 radical
  • A which may be identical or different, represent a linear or branched alkyl group of 1 to 6 carbon atoms, preferably 2 or 3 carbon atoms, or a hydroxyalkyl group of 1 to 4 carbon atoms;
  • R 4 , R5 and R 6 which may be identical or different, represent an alkyl group containing from 1 to 18 carbon atoms or a benzyl radical and preferably an alkyl group containing from 1 to 6 carbon atoms;
  • Ri and R 2 which may be identical or different, represent hydrogen or an alkyl group containing from 1 to 6 carbon atoms, and preferably methyl or ethyl;
  • X denotes an anion derived from an inorganic or organic acid, such as a methosulfate anion or a halide such as chloride or bromide.
  • the polymers of family (1 ) can also contain one or more units derived from comonomers which may be chosen from the family o f acrylamides, methacrylamides, diacetone acrylamides, acrylamides and methacrylamides substituted on the nitrogen with lower (C 1 -C 4 ) alkyls, acrylic or methacrylic acids or esters thereof, vinyllactams such as vinylpyrrolidone or vinylcaprolactam, and vinyl esters.
  • comonomers which may be chosen from the family o f acrylamides, methacrylamides, diacetone acrylamides, acrylamides and methacrylamides substituted on the nitrogen with lower (C 1 -C 4 ) alkyls, acrylic or methacrylic acids or esters thereof, vinyllactams such as vinylpyrrolidone or vinylcaprolactam, and vinyl esters.
  • cellulose copolymers or cellulose derivatives grafted with a water-soluble monomer of quaternary ammonium such as hydroxyalkylcelluloses, for instance hydroxymethyl-, hydroxyethyl- or hydroxypropylcelluloses grafted, in particular, with a methacryloylethyltrimethylammonium, methacrylamidopropyltrimethylammonium or dimethyldiallylammonium salt.
  • guar gums containing trialkylammonium cationic groups such as guar gums containing trialkylammonium cationic groups.
  • Use is made, for example, of guar gums modified with a 2,3-epoxypropyltrimethylammonium salt (e.g. chloride) or a hydroxypropyltrimethylammonium salt, in particular guar gums modified with a hydroxypropyltrimethylammonium chloride salt with a degree of grafting of the saccharide units ranging from 1 % to 30%, for instance the products sold under the name Catinal by the company Toho.
  • a 2,3-epoxypropyltrimethylammonium salt e.g. chloride
  • a hydroxypropyltrimethylammonium salt e.g. hydroxypropyltrimethylammonium salt
  • Water-soluble polyamino amides prepared in particular by polycondensation of an acidic compound with a polyamine; these polyamino amides can be crosslinked with an epihalohydrin, a diepoxide, a dianhydride, an unsaturated dianhydride, a bis-unsaturated derivative, a bis-halohydrin, a bis-azetidinium, a bis-haloacyldiamine, a bis-alkyl halide or alternatively with an oligomer resulting from the reaction of a difunctional compound which is reactive with a bis-halohydrin, a bis- azetidinium, a bis-haloacyldiamine, a bis-alkyl halide, an epihalohydrin, a diepoxide or a bis-unsaturated derivative; the crosslinking agent is used in proportions ranging from 0.025 to 0.35 mol per amine group of the polyamino amide; these poly
  • adipic acid/dimethylaminohydroxypropyl/diethylenetriamine polymers mention may be made more particularly of the adipic acid/dimethylaminohydroxypropyl/diethylenetriamine polymers.
  • Cyclopolymers of alkyldiallylamine or of dialkyldiallylammonium such as the homopolymers or copolymers containing, as main constituent of the chain, units corresponding to formula (VI) or (VII) :
  • R9 denotes a hydrogen atom or a methyl radical
  • R 7 and Rs independently of each other, denote an alkyl group having from 1 to 6 carbon atoms, a hydroxyalkyl group in which the alkyl group preferably has 1 to 5 carbon atoms, a lower (C 1 -C 4 ) amidoalkyl group, or R 7 and Rs can denote, together with the nitrogen atom to which they are attached, heterocyclic groups such as piperidyl or morpholinyl
  • R 7 and Rs independently of each other, preferably denote an alkyl group containing from 1 to 4 carbon atoms
  • Y " is an anion such as bromide, chloride, acetate, borate, citrate, tartrate, bisulfate, bisulfite, sulfate or phosphate.
  • R 11 X R 13 X in which formula (VIII) : Rio, Rn , R 12 and Rn, which may be identical or different, represent aliphatic, alicyclic or arylaliphatic radicals containing from 1 to 20 carbon atoms or lower hydroxyalkylaliphatic radicals, or alternatively Rio, Rn , Ri2 and Rn, together or separately, constitute, with the nitrogen atoms to which they are attached, heterocycles optionally containing a second hetero atom other than nitrogen, or alternatively Rio, Rn , R 12 and Rn represent a linear or branched Ci -C 6 alkyl radical substituted with a nitrile, ester, acyl or amide group or a group -CO-O-R14-D or -CO-NH-R 14 -D where R 14 is an alkylene and D is a quaternary ammonium group; Ai and Bi represent polymethylene groups containing from 2 to 20 carbon atoms which may be linear or branched
  • X denotes an anion derived from an inorganic or organic acid
  • a 1 , Rio and R12 can form, with the two nitrogen atoms to which they are attached, a piperazine ring
  • Ai denotes a linear or branched, saturated or unsaturated alkylene or hydroxyalkylene radical
  • B i can also denote a group -(CH2) n -CO-D-OC-(CH2) n - in which n is between 1 and 100 and preferably between 1 and 50
  • D denotes : a) a glycol residue of formula: -O-Z-O-, where Z denotes a linear or branched hydrocarbon radical or a group corresponding to one of the following formulae:
  • x and y denote an integer from 1 to 4, representing a defined and unique degree of polymerization or any number from 1 to 4 representing an average degree of polymerization; b) a bis-secondary diamine residue such as a piperazine derivative; c) a bis-primary diamine residue of formula: -NH-Y-NH-, where Y denotes a linear or branched hydrocarbon radical, or alternatively the divalent radical
  • X " is an anion such as chloride or bromide.
  • These polymers generally have a number-average molecular mass of between 1000 and 100 000.
  • D can be zero or can represent a group -(CH 2 ) r -CO- in which r denotes a number equal to 4 or 7, and X " is an anion.
  • Such polymers may be prepared according to the processes described in US patents 4 157 388, 4 702 906 and 4 719 282. They are especially described in patent application EP-A- 122 324.
  • Quaternary polymers of vinylpyrrolidone and o f vinylimidazole for instance the product referenced Polyquaternium 16 in the CTFA dictionary, for example the products sold under the names Luviquat FC905 , Luviquat FC370, Luviquat HM552 and Luviquat FC550 by the company BASF, and the product referenced Polyquaternium 44, for example the product sold under the name Luviquat Care by the company BASF.
  • cationic polymers that may be used in the context of the invention are polyalkyleneimines, in particular polyethyleneimines, polymers containing vinylpyridine or vinylpyridinium units, condensates of polyamines and of epichlorohydrin, quaternary polyureylenes and chitin derivatives.
  • hydroxyethylcelluloses grafted especially with dimethyldiallylammonium chloride are especially preferred, such as the products sold under the name Celquat LOR by the company National Starch, hydroxyethylcelluloses quaternized with 2,3- hydroxypropyltrimethylammonium chloride, cyclopolymers, in particular homopolymers of a diallyldimethylammonium salt, in particular dimethyldiallylammonium chloride, such as the product referenced Polyquaternium 6 in the CTFA dictionary, such as the products sold under the name Merquat 106 by the company Nalco and copolymers of a diallyldimethylammonium salt and of acrylamide, in particular the chlorides, sold under the names Merquat 550 and Merquat 2200 by the company Merck, and Salcare by the company Ciba.
  • the cationic polymer(s) may also be polyalkyleneimines, in particular polyethyleneimines, such as the product sold under the name Lupasol G35 by the company BASF.
  • the cationic polymer(s) may be present in the compositions according to the invention in a content ranging from 0.5% to 20% by weight, preferably in a content ranging from 1 % to 15% by weight and more preferentially in a content ranging from 2% to 15% by weight.
  • the anionic polymers may comprise groups derived from a carboxylic, sulfonic or phosphoric acid and have a weight-average molecular weight of between about 500 and 500 000.
  • the carboxylic groups are provided by unsaturated monocarboxylic or dicarboxylic acid monomers such as those corresponding to the formula:
  • n is an integer from 0 to 10
  • Ai denotes a methylene group, optionally connected to the carbon atom of the unsaturated group, or to the neighbouring methylene group when n is greater than 1 , via a hetero atom such as oxygen or sulfur
  • Ri 0 denotes a hydrogen atom or a phenyl or benzyl group
  • Rs denotes a hydrogen atom or a lower alkyl or carboxyl group
  • R9 denotes a hydrogen atom, a lower alkyl group or a -CH 2 -COOH, phenyl or benzyl group.
  • a lower alkyl radical preferably denotes a group having 1 to 4 carbon atoms and in particular methyl and ethyl.
  • anionic polymers containing carboxylic groups that are preferred according to the invention are:
  • lauryl such as the product sold by the company ISP under the name Acrylidone LM
  • tert-butyl Luviflex VBM 70 sold by BASF
  • Stepan methacrylic acid/ethyl acrylate/tert-butyl acrylate
  • crotonic acid-based copolymers such as those comprising vinyl acetate or propionate units in their chain and optionally other monomers such as allylic esters or methallylic esters, vinyl ether or vinyl ester of a linear or branched saturated carboxylic acid with a long hydrocarbon chain such as those containing at least 5 carbon atoms, it being possible for these polymers optionally to be grafted or crosslinked, or alternatively another vinyl, allylic or methallylic ester monomer of an ⁇ - or ⁇ -cyclic carboxylic acid.
  • copolymers comprising (i) one or more maleic, fumaric or itaconic acids or anhydrides and (ii) at least one monomer chosen from vinyl esters, vinyl ethers, vinyl halides, phenylvinyl derivatives, acrylic acid and its esters, the anhydride functions of these copolymers optionally being monoesterified or monoamidated.
  • monomers chosen from vinyl esters, vinyl ethers, vinyl halides, phenylvinyl derivatives, acrylic acid and its esters, the anhydride functions of these copolymers optionally being monoesterified or monoamidated.
  • Such polymers are described in particular in US patents US 2 047 398, US 2 723 248 and US 2 102 1 13 and GB patent GB 839 805 and especially those sold under the names Gantrez AN or ES and Avantage CP by the company ISP,
  • copolymers comprising (i) one or more maleic, citraconic or itaconic anhydride units and (ii) one or more monomers chosen from allylic or methallylic esters optionally comprising one or more acrylamide, methacrylamide, ⁇ -olefin, acrylic or methacrylic ester, acrylic or methacrylic acid or vinylpyrrolidone groups in their chain, the anhydride functions of these copolymers optionally being monoesterified or monoamidated.
  • the polymers comprising sulfonic groups are polymers comprising vinylsulfonic, styrenesulfonic, naphthalenesulfonic or acrylamidoalkyl- sulfonic units.
  • These polymers may especially be chosen from:
  • polyvinylsulfonic acid salts having a weight-average molecular weight of approximately between 1000 and 100 000, and also the copolymers with an unsaturated comonomer such as acrylic or methacrylic acids and their esters, and also acrylamide or its derivatives, vinyl ethers and vinylpyrrolidone;
  • polyacrylamidesulfonic acid salts such as those mentioned in patent US 4 128 631 and more particularly polyacrylamidoethylpropane- sulfonic acid sold under the name Cosmedia Polymer HSP 1 180 by Henkel.
  • the anionic polymers are preferably chosen from crotonic acid derivatives such as vinyl acetate/vinyl tert- butylbenzoate/crotonic acid terpolymers and crotonic acid/vinyl acetate/vinyl neododecanoate terpolymers sold especially under the name Resin 28-29-30 by the company National Starch, polymers derived from maleic, fumaric or itaconic acids or anhydrides with vinyl esters, vinyl ethers, vinyl halides or phenylvinyl derivatives, acrylic acid and esters thereof such as the methyl vinyl ether/monoesterified maleic anhydride copolymers sold, for example, under the name Gantrez ES 425 by the company ISP, and acrylic acid polymers such as those sold under the name Rheostyl 126 or Coatex DV 282 by Coatex SAS-Ecolab.
  • crotonic acid derivatives such as vinyl acetate/vinyl tert- but
  • the anionic polymers may also be chosen from anionic polymers comprising a sugar unit.
  • saccharide unit denotes herein a monosaccharide portion (i.e . monosaccharide or oside or simple sugar) or an oligosaccharide portion (short chains formed from a sequence of monosaccharide units, which may be different) or a polysaccharide portion [long chains formed from monosaccharide units, which may be different, i.e. polyholosides or polyosides (homopolyosides or heteropolyosides)] .
  • the saccharide units may also be substituted with alkyl, hydroxyalkyl, alkoxy, acyloxy or carboxyl radicals, the alkyl radicals containing from 1 to 4 carbon atoms.
  • the anionic polymers comprising a sugar unit are more particularly chosen from: - alginates and derivatives thereof, especially derivatives thereo f such as propylene glycol alginate, or salts thereof such as sodium alginate or calcium alginate;
  • Keltrol - xanthan gums represented, inter alia, by the products sold under the names Keltrol, Keltrol T, Keltrol TF, Keltrol BT, Keltrol RD and
  • Keltrol CG by the company NutraSweet Kelco, or under the names Rhodicare S and Rhodicare H by the company Rhodia Chimie,
  • the anionic polymers may be chosen from sulfated polymers.
  • the sulfated polymers may be chosen from 2- acrylamido-2-methylpropanesulfonic acid (AMPS) copolymers comprising a hydrophobic unit, especially copolymers comprising a 2-acrylamido-2- methylpropanesulfonic acid unit and at least one hydrophobic unit o f formula:
  • AMPS 2- acrylamido-2-methylpropanesulfonic acid
  • n denotes a number of moles that is an integer ranging from 3 to 100, preferably from 3 to 50 and more preferentially from 7 to
  • Ri is hydrogen or a methyl radical
  • R 2 denotes a linear or branched alkyl radical containing from 6 to 30 carbon atoms, preferably from 10 to 22 carbon atoms and better still from 14 to 22 carbon atoms.
  • AMPS copolymers containing a hydrophobic unit mention may be made especially of the copolymer of AMPS and of an ethoxylated C 12 - C 14 alcohol methacrylate (non-crosslinked copolymer obtained from Genapol LA-070 and AMPS) (INCI name: Ammonium acryloyldimethyl- taurate/Laureth-7 methacrylate copolymer) sold under the name Aristoflex LNC by the company Clariant, and the copolymer of AMPS and of an ethoxylated C 16 -C 1 8 alcohol methacrylate (INCI name : Ammonium acryloyldimethyltaurate/Steareth-8 methacrylate copolymer, a non- crosslinked copolymer obtained from Genapol T-080 and AMPS) sold under the name Aristoflex SNC by the company Clariant.
  • the sulfated polymers are chosen from non-crosslinked 2-acrylamido-2-methylpropanesulfonic acid (AMPS) copolymers containing a hydrophobic unit, such as those sold under the names Aristoflex LNC and SNC.
  • AMPS 2-acrylamido-2-methylpropanesulfonic acid
  • the anionic polymer(s) may be present in the compositions according to the invention in a content ranging from 0.5% to 20% by weight, preferably in a content ranging from 1 % to 15% by weight and more preferentially in a content ranging from 2% to 15% by weight.
  • the particles that may be used in the compositions according to the invention may be cationic or anionic, and organic or mineral.
  • the particles that may be used in the compositions according to the invention have a diameter of less than 1 ⁇ m.
  • the mineral particles may be chosen from silicas in the form of a colloidal particle dispersion, fumed silicas and composites based on silica and alumina, and mixtures thereof.
  • the term "dispersion o f colloidal silica particles” means a dispersion of silica (SiO 2 ) particles with a number-average diameter of between 3 and 150 nm, preferably between 5 and 30 nm and better still between 10 and 25 nm.
  • the colloidal particles conserve the abovementioned diameters in the composition containing them, without substantially aggregating, and they do not have any thickening properties, in the sense that at a concentration of greater than or equal to 15% by weight in water, the colloidal particles according to the invention have a viscosity of less than 0.05 Pa. s for a shear rate equal to 10 "1 s, the viscosity being measured at 25°C using a RheoStress RS 150 rheometer from Haake in cone-plate configuration, the cone having a diameter of 60 mm and an angle of 2° .
  • the medium for dispersing the inorganic colloidal particles is an aqueous, aqueous-alcoholic or alcoholic medium and more preferentially an aqueous medium.
  • the silicas in the form of a colloidal dispersion may be cationic or anionic.
  • colloidal silica particles according to the invention may be modified with a multivalent cation.
  • sica particles modified with a multivalent cation means particles formed from silicon dioxide and whose surface has been chemically modified with cations forming at least one monomolecular layer of the said cation; each cation being linked to the silica so as to make it cationic.
  • Such composite particles generally contain from 5% to 60% by weight and preferably from 10% to 50% by weight of silica (SiO 2 ) and the proportion of their surface covered with multivalent cations is generally between 1 % and 100%, preferably between 2% and 60% and better still between 5% and 60%.
  • the cation present in the colloidal particles of modified silica may be chosen from alkaline-earth metals, for instance calcium (Ca 2+ ), magnesium (Mg 2+ ), strontium (Sr 2+ ) or barium (Ba 2+ ); transition metals, for instance titanium (Ti 2+ , Ti 3 + , Ti 4+ ), manganese (Mn 2+ , Mn 3 + , Mn 4+ , Mn 7+ ), iron (Fe 2+ , Fe 3+ ), zirconium (Zr 4+ ), hafnium (Hf 4+ ) or aluminium (Al 3+ ).
  • alkaline-earth metals for instance calcium (Ca 2+ ), magnesium (Mg 2+ ), strontium (Sr 2+ ) or barium (Ba 2+ ); transition metals, for instance titanium (Ti 2+ , Ti 3 + , Ti 4+ ), manganese (Mn 2+ , Mn 3 + , Mn 4
  • the cation will preferably be chosen from aluminium (Al 3+ ) and/or zirconium (Zr 4+ ) and/or hafnium (Hf 4+ ), and more preferentially aluminium (Al 3+ ).
  • the colloidal particles of cationically modified silica may also additionally comprise a stabilizing counterion, preferably chloride.
  • a stabilizing counterion preferably chloride.
  • dispersions of cationic colloidal silica particles mention may be made especially of those commercially available from the company Grace under the reference Sylojet 4000C .
  • the anionic silicas in the form of colloidal dispersions have a size of less than 100 nm. Mention may be made especially of those sold by the company Catalysts & Chemicals under the trade names Cosmo S-40 and
  • the anionic organic particles are in particular acrylic latices, for instance styrene/sodium acrylate copolymers such as Opulyn 301 Opacifier from Rohm & Haas.
  • the cationic organic particles are in particular latices obtained with a cationic comonomer, for instance N,N-diethylaminoethyl methacrylate, methacrylamidopropyltrimethylammonium chloride, met hacrylato ethyl trimethylammonium chloride, amine-containing monomers 2-
  • a cationic comonomer for instance N,N-diethylaminoethyl methacrylate, methacrylamidopropyltrimethylammonium chloride, met hacrylato ethyl trimethylammonium chloride, amine-containing monomers 2-
  • silica/alumina composite particles mention may be made especially of the compounds sold by the company Nalco under the name Nanomer 20CA.
  • the particle(s) may be present in the compositions according to the invention in a content ranging from 1 % to 15% by weight, preferably in a content ranging from 2% to 15% by weight and more preferentially in a content ranging from 2% to 10% by weight.
  • the cosmetic composition A comprises one or more compounds chosen from cationic surfactants and the cosmetic composition B comprises one or more compounds chosen from anionic surfactants.
  • the cosmetic composition A comprises one or more compounds chosen from cationic polymers and the cosmetic composition B comprises one or more compounds chosen from anionic polymers.
  • the cosmetic composition A comprises one or more cationic (or, respectively, anionic) polymers and the cosmetic composition B comprises one or more anionic (or, respectively, cationic) particles.
  • the cosmetic composition A comprises one or more cationic (or, respectively, anionic) polymers and the cosmetic composition B comprises one or more anionic (or, respectively, cationic) surfactants.
  • the cosmetic composition A comprises one or more cationic (or, respectively, anionic) particles and the cosmetic composition B comprises one or more anionic (or, respectively, cationic) surfactants.
  • the cationic polymer(s) that may be used are chosen from cyclopolymers, in particular homopolymers or copolymers of a diallyldimethylammonium salt, of a quaternized or non-quaternized dialkylaminoalkyl acrylate or methacrylate, of vinylimidazole, of cellulose grafted with a water-soluble quaternary ammonium monomer, or a mixture of these compounds, polyamines and cationic polyamino acids.
  • the anionic polymer(s) that may be used are chosen from acrylic or sulfonic homopolymers or copolymers, anionic polyamino acids, terpolymers of vinyl acetate, vinyl tert-butylbenzoate and crotonic acid, and methyl vinyl ether/monoesterified maleic anhydride copolymers, or mixtures thereof.
  • the particles are chosen from anionic or cationic silicas, acrylic latices and cationic latices, with a particle diameter of less than 1 ⁇ m and preferably less than 0.5 ⁇ m.
  • the cosmetic composition A comprises one or more cationic polymers and the cosmetic composition B comprises one or more anionic polymers and/or anionic particles.
  • the cationic surfactants are chosen from quaternary esters and the anionic surfactants are chosen from carboxylate, amino acid, phosphate and sulfate derivatives.
  • the weight ratio between the compound(s) of the cosmetic composition A and the compound(s) of the cosmetic composition B ranges from 0.1 to 10 and preferably from 0.2 to 5.
  • the cosmetic compositions A and B comprise a cosmetically acceptable medium.
  • the medium that is suitable for the cosmetic compositions A and B of the invention is a cosmetically acceptable medium generally comprising water or a mixture of water and at least one organic solvent.
  • organic solvents include C1 -C4 lower alkanols, such as ethanol and isopropanol; polyols and polyo l ethers such as 2- butoxyethanol, propylene glycol, glycerol, propylene glycol monomethyl ether, diethylene glycol monomethyl ether and monoethyl ether, and also aromatic alcohols, for instance benzyl alcohol or phenoxyethanol, and mixtures thereof.
  • the solvents are preferably present in proportions of between 1 % and 40% by weight approximately and even more preferentially between 5% and 30% by weight approximately relative to the total weight of the cosmetic composition.
  • the cosmetic compositions A and B may also contain one or more cosmetic adjuvants chosen, for example, from reducing agents, deodorant active agents, fatty substances, softeners, antifoams, moisturizers, UV- screening agents, peptizers, solubilizers, fragrances, nonionic or amphoteric surfactants, proteins, vitamins, propellants, oxyethylenated or non-oxyethylenated waxes, paraffins, and C 10-C30 fatty amides such as lauric acid diethanolamide.
  • one or more cosmetic adjuvants chosen, for example, from reducing agents, deodorant active agents, fatty substances, softeners, antifoams, moisturizers, UV- screening agents, peptizers, solubilizers, fragrances, nonionic or amphoteric surfactants, proteins, vitamins, propellants, oxyethylenated or non-oxyethylenated waxes, paraffins, and C 10-C30
  • the above additives are generally present in an amount for each of them of between 0.01 % and 20% by weight relative to the weight of the composition.
  • the cosmetic compositions A and B according to the invention may especially be in the form of a suspension, a dispersion, a solution, a gel, an emulsion, especially an oil-in-water (O/W), water-in-oil (W/O) or multiple (W/O/W or polyol/O/W or 0/W/O) emulsion, or in the form of a cream, a mousse, a stick, a dispersion of vesicles, especially of ionic or nonionic lipids, a two-phase or multiphase lotion, or a spray.
  • this device comprises one or more propellants, which may be chosen from volatile hydrocarbons such as n-butane, propane, isobutane, pentane and halogenated hydrocarbons, and mixtures thereof.
  • propellants such as n-butane, propane, isobutane, pentane and halogenated hydrocarbons, and mixtures thereof.
  • Carbon dioxide, nitrous oxide, dimethyl ether (DME), nitrogen or compressed air may also be used as propellant. Mixtures of propellants may also be used. Dimethyl ether is preferably used.
  • the propellant may be present in a concentration of between 5% and 90% by weight and more particularly in a concentration of between 10% and 60% by weight relative to the total weight of the composition in the aerosol device.
  • a person skilled in the art can select the appropriate galenical form, and also the method for preparing it, on the basis of his general knowledge, taking into account firstly the nature of the constituents used, especially their solubility in the support, and secondly the intended use of the composition.
  • the present invention also relates to a cosmetic composition
  • a cosmetic composition comprising a complex formed by combining a cosmetic composition A and a cosmetic composition B different from the cosmetic composition A, the said cosmetic composition A comprising one or more compounds capable of reacting with one or more compounds of the cosmetic composition B by forming one or more ionic bonds to give an antiperspirant effect, at least one of the said compositions A or B not having any antiperspirant effect.
  • the present invention also relates to the use of the complex as defined above for treating human perspiration.
  • the present invention relates to a cosmetic process for treating human perspiration, which consists in applying to the skin a composition containing one or more complexes as defined above.
  • the present invention deals with a cosmetic process treating human perspiration, which consists of:
  • composition A comprising one or more compounds capable of reacting with one or more compounds of the cosmetic composition B by forming one or more ionic bonds to give antiperspirant effect, at least one of the said compositions A or B not having an antiperspirant effect,
  • the terpolymer sold under the name Mexomer PW is introduced with stirring into the ethanol until the polymer has fully dispersed (phase A).
  • the polymer sold under the name Gafquat 755N is diluted with magnetic stirring in the water in a beaker (phase B l ) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.7 (phase B2).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • Example 2
  • the terpolymer sold under the name Mexomer PW is introduced with stirring into the ethanol until the polymer has fully dispersed (phase A).
  • phase B 2 the polymer sold under the name Luviquat Excellence is diluted with magnetic stirring in the water in a beaker (phase B l ) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.9 (phase B2).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • the copolymer sold under the name Gantrez ES425L is introduced with stirring into the ethanol until the polymer has fully dispersed (phase A).
  • the polymer sold under the name Celquat LOR is diluted with magnetic stirring in the water in a beaker (phase B) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.7 (phase C).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • Example 4
  • the copolymer sold under the name Gantrez ES425L is introduced with stirring into the ethanol until the polymer has fully dispersed (phase A).
  • the polymer sold under the name Celquat LOR is diluted with magnetic stirring in the water in a beaker (phase B) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.7 (phase C).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • Example 5
  • the copolymer sold under the name Blanose 7LF is introduced with stirring in the water until the polymer has fully dispersed (phase A).
  • the polymer sold under the name Celquat LOR is diluted with magnetic stirring in the water in a beaker (phase B) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.7 (phase C).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • Example 6
  • the copolymer sold under the name Blanose 7LF is introduced with stirring into the ethanol until the polymer has fully dispersed (phase A).
  • phase B the polymer sold under the name Luviquat Excellence is diluted with magnetic stirring in the water in a beaker (phase B) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.8 (phase C).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • Example 7
  • the copolymer sold under the name Gantrez ES425 is introduced with stirring into the ethanol until the polymer has fully dispersed (phase A).
  • the polymer sold under the name Gafquat 755N is diluted with magnetic stirring in the water in a beaker (phase B l ) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.8 (phase B2).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • Example 8
  • the polymer sold under the name Celquat LOR is diluted with magnetic stirring in the water in a beaker (phase B l ) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.7 (phase C l ).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • the polymer sold under the name Merquat 106 is diluted with magnetic stirring in the water in a beaker (phase B l ) and the amount of sodium hydroxide prediluted in water is introduced to adjust the pH to 6.7 (phase C l ).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.
  • the hydrated silica sold under the name Ludox AMX is introduced with stirring into the water until fully dispersed (phase A).
  • the polymer sold under the name Lupasol is diluted with magnetic stirring in the water in a beaker (phase B l ) and the amount of HCl prediluted in water is introduced to adjust the pH to 6.7 (phase B2).
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed. Examples 13- 15
  • the hydrated silica sold under the name Ludox AMX is introduced with stirring into the water until fully dispersed (phase A).
  • phase B the polymer sold under the name Polyquaternium-6 is diluted with magnetic stirring in the water in a beaker (phase B)
  • compositions A and B are mixed together in equal parts. The formation of a precipitate that may be applied to the armpits is observed.

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Abstract

La présente invention concerne un complexe anti-transpirant formé à partir d'une composition cosmétique A et d'une composition cosmétique B différente de la composition A, ladite composition cosmétique A comprenant un ou plusieurs composés capables de réagir avec un ou plusieurs composés de la composition cosmétique B par formation d'une ou de plusieurs liaisons ioniques pour donner un effet anti-transpirant, au moins une desdites compositions cosmétiques A et B n'ayant aucun effet anti-transpirant. La présente invention concerne en outre un procédé de traitement de la transpiration, qui utilise l'agent anti-transpirant à composants multiples, ainsi que l'utilisation d'un tel agent.
PCT/EP2009/067654 2008-12-19 2009-12-21 Composition anti-transpirante contenant au moins un complexe formé par combinaison d'au moins une espèce anionique et d'au moins une espèce cationique, et procédé de traitement de la transpiration humaine Ceased WO2010070140A1 (fr)

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FR0807293A FR2940063B1 (fr) 2008-12-19 2008-12-19 Compositions anti-transpirantes contenant au moins un complexe forme par l'association d'au moins une espece anionique et d'au moins une espece cationique et procede de traitement de la transpiration humaine.
US14295709P 2009-01-07 2009-01-07
US61/142,957 2009-01-07

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Cited By (7)

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FR2976485A1 (fr) * 2011-06-20 2012-12-21 Oreal Utilisation comme agent anti-transpirant d'un polymere hydrodispersible floculant comportant des groupements amines non quaternises
FR2976484A1 (fr) * 2011-06-20 2012-12-21 Oreal Utilisation comme agent anti-transpirant d'un polymere floculant comportant en chaine laterale des groupements pyridines non quaternises
WO2012175330A3 (fr) * 2011-06-20 2014-11-27 L'oreal Utilisation cosmétique d'un polymère floculant comme anti-transpirant
WO2017105438A1 (fr) 2015-12-16 2017-06-22 Colgate-Palmolive Company Composition d'hygiène personnelle occlusive
EP3171943B1 (fr) * 2014-07-24 2019-09-11 Beiersdorf AG Préparations pour déodorants, contenant des polymères polyquaternium-16
FR3083092A1 (fr) * 2018-06-29 2020-01-03 L'oreal Composition cosmetique comprenant une dispersion colloidale de particules de silice
WO2022122385A1 (fr) 2020-12-07 2022-06-16 Unilever Ip Holdings B.V. Compositions antitranspirantes

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FR2973238B1 (fr) * 2011-03-31 2013-08-16 Oreal Procede de traitement de la transpiration humaine utilisant un polymere filmogene hydrophobe et un polymere filmogene hydrophile

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FR2976485A1 (fr) * 2011-06-20 2012-12-21 Oreal Utilisation comme agent anti-transpirant d'un polymere hydrodispersible floculant comportant des groupements amines non quaternises
FR2976484A1 (fr) * 2011-06-20 2012-12-21 Oreal Utilisation comme agent anti-transpirant d'un polymere floculant comportant en chaine laterale des groupements pyridines non quaternises
WO2012175330A3 (fr) * 2011-06-20 2014-11-27 L'oreal Utilisation cosmétique d'un polymère floculant comme anti-transpirant
EP3171943B1 (fr) * 2014-07-24 2019-09-11 Beiersdorf AG Préparations pour déodorants, contenant des polymères polyquaternium-16
WO2017105438A1 (fr) 2015-12-16 2017-06-22 Colgate-Palmolive Company Composition d'hygiène personnelle occlusive
CN108367172A (zh) * 2015-12-16 2018-08-03 高露洁-棕榄公司 闭塞性个人护理组合物
EP3389795A4 (fr) * 2015-12-16 2019-05-29 Colgate-Palmolive Company Composition d'hygiène personnelle occlusive
CN108367172B (zh) * 2015-12-16 2021-09-21 高露洁-棕榄公司 闭塞性个人护理组合物
FR3083092A1 (fr) * 2018-06-29 2020-01-03 L'oreal Composition cosmetique comprenant une dispersion colloidale de particules de silice
WO2022122385A1 (fr) 2020-12-07 2022-06-16 Unilever Ip Holdings B.V. Compositions antitranspirantes

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