Aqueous cosmetic or dermatological dispersion for treatment of hair or skin based on sugar or alkylsugar fatty acid esters and reticulated acrylamide copolymers

Claim 2

An aqueous dispersion for the cosmetic treatment of hair or the skin and/or in dermatology, which contains in a cosmetically or physiologically acceptable medium: a) at least one sugar or (C 1 -C 4 )alkylsugar, C 4 -C 22 fatty acid mono and/or diester which may be oxyethylenated if necessary; and b) at least one reticulated copolymer of acylamide and a monomer selected from: (i) ammonium acrylate; (ii) partially or completely neutralized 2-acrylamido 2-methylpropane sulfonic acid; (iii) methacryloyl oxyethyl trimethylammonium chloride.

Claim 3

Dispersion according to claim 1 wherein said sugar or alkylsugar fatty acid esters are selected from mono- and diesters of (C 1 -C 4 )alkylglucoside, monoesters and diesters of saccharose and esters of glucose.

Claim 4

Dispersion according to claim 1 wherein said sugar or alkylsugar fatty acid esters are selected from C 12 -C 18 fatty acid monoesters of butylglucoside and methylglucosyl monostearate.

Claim 5

Dispersion according to claim 1 wherein said fatty acid esters are selected from mixtures of mono- and diesters of C 14 -C 22 fatty acids of saccharose and the composition further contains mono-, di- and triglycerides of C 14 -C 22 fatty acids.

Claim 6

Dispersion according to claim 1 wherein said sugar or alkylsugar fatty acid mono and/or diester, which may be oxyethylenated if required, is present in concentrations of between 0.1 and 20% by weight with respect to the total dispersion weight.

Claim 7

Dispersion according to claim 1 wherein said acrylamide copolymer is reticulated using a polyunsaturated olefinic reticulating agent selected from divinylbenzene, tetraallyloxyethane, methylene bis-acrylamide, diallyl ether, polyallylpolyglyceryl ethers or allyl ethers of alcohols of the sugar series.

Claim 8

Dispersion according to claim 1 containing a reticulated acrylamide/ammonium acrylate copolymer (5/95 by weight) in the form of a water-in-oil emulsion comprising 30% by weight of said copolymer, 25% by weight of paraffin oil, 4% by weight of a mixture of sorbityl stearate and a hydrophilic ethoxylated derivative and 41% by weight of water.

Claim 9

Dispersion according to claim 1 containing a reticulated acrylamide/2-acrylamido 2-methylpropane sulfonic acid copolymer which is partially or completely neutralized by caustic soda, potash, ammonia or an amine and is in the form of an oil-in-water emulsion containing 35 to 45% by weight of said copolymer, 15 to 25% by weight of a mixture of C 12 -C 13 isoparaffinic hydrocarbons, 3 to 8% by weight of polyethyleneglycol laurylether with 7 moles of ethylene oxide, and water.

Claim 10

Dispersion according to claim 1 containing a reticulated acrylamide/methacryloyl oxyethyl trimethylammonium copolymer (20/80 by weight) in the form of a dispersion containing 50% of said copolymer in mineral oil.

Claim 11

Dispersion according to claim 1 containing 0.05 to 10% by weight of reticulated acrylamide copolymer as active material.

Claim 12

Dispersion according to claim 1 further containing an additive in normal use in cosmetics or in dermatology selected from perfumes, dyes, preservatives, sequestrating agents, animal, vegetable or synthetic oils, perfluoropolyethers, ceramides, solar filters, free radical absorbers, anionic, nonionic, amphoteric or cationic surfactants, polymers, proteins, packaging agents, foam stabilizers and propellants.

Claim 13

Dispersion according to claim 1 having a pH of between 3 and 10.

Claim 14

Dispersion according to claim 1 for the treatment of hair packaged as a shampoo, as a rinse product for application before or after shampooing, before, during or after dyeing or bleaching, before or after perming or straightening, as an intra perm lotion, as a setting lotion or as a blow drying lotion.

Claim 15

Dispersion according to claim 1 for the treatment of skin packaged as a bath or shower product, as a shaving product, as a skin care cream or milk or as a perfumed lotion.

Claim 16

Cosmetic hair treatment method in which a dispersion is applied to the hair which is then rinsed if necessary, said dispersion containing in a cosmetically or physiologically acceptable medium: a) at least one sugar or (C 1 -C 4 )alkylsugar, C 4 -C 22 fatty acid mono and/or diester which may be oxyethylenated if necessary; and b) at least one reticulated copolymer of acrylamide and a monomer selected from: (i) ammonium acrylate; (ii) partially or completely neutralized 2-acrylamido 2-methylpropane sulfonic acid; (iii) methacryloyl oxyethyl trimethylammonium chloride, and being packaged as a shampoo, as a rinse product for application before or after shampooing, before, during or after dyeing or bleaching, before or after perming or straightening, as an intra perm lotion, as a setting lotion or as a blow drying lotion.

Claim 17

Cosmetic hair treatment method in which a dispersion is applied to the hair which is then rinsed if necessary, said dispersion containing in a cosmetically or physiologically acceptable medium: a) at least one sugar or (C 1 -C 4 )alkylsugar, C 4 -C 22 fatty acid mono and/or diester which may be oxyethylenated if necessary; and b) at least one reticulated copolymer of acrylamide and a monomer selected from: (i) ammonium acrylate; (ii) partially or completely neutralized 2-acrylamido 2-methylpropane sulfonic acid; (iii) methacryloyl oxyethyl trimethylammonium chloride, and being packaged as a shampoo, as a rinse product for application before or after shampooing, before, during or after dyeing or bleaching, before or after perming or straightening, as an intra perm lotion, as a setting lotion or as a blow drying lotion.

Claim 18

Cosmetic skin treatment method in which a dispersion is applied to the skin, said dispersion containing in a cosmetically or physiologically acceptable medium: a) at least one sugar or (C 1 -C 4 )alkylsugar, C 4 -C 22 fatty acid mono and/or diester which may be oxyethylenated if necessary; and b) at least one reticulated copolymer of acrylamide and a monomer selected from: (i) ammonium acrylate; (ii) partially or completely neutralized 2-acrylamido 2-methylpropane sulfonic acid; (iii) methacryloyl oxyethyl trimethylammonium chloride, and being packaged as a bath or shower product, as a shaving product, as a skin care cream or milk or as a perfumed lotion.

Claim 19

Cosmetic skin treatment method in which a dispersion is applied to the skin, said dispersion containing in a cosmetically or physiologically acceptable medium: a) at least one sugar or (C 1 -C 4 )alkylsugar, C 4 -C 22 fatty acid mono and/or diester which may be oxyethylenated if necessary; and b) at least one reticulated copolymer of acrylamide and a monomer selected from: (i) ammonium acrylate; (ii) partially or completely neutralized 2-acrylamido 2-methylpropane sulfonic acid; (iii) methacryloyl oxyethyl trimethylammonium chloride, and being packaged as a bath or shower product, as a shaving product, as a skin care cream or milk or as a perfumed lotion.

Claim 20

Dispersion according to claim 1 for use as a dermatological composition in the form of an aqueous dispersion and further containing a dermatologically active substance.