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AssigneeColetica
InventorsEric Perrier, Daniele Antoni, Alain Huc
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The invention relates to new lipophilic hydroxylated acids wherein said lipophilic hydroxylated acid comprises a hydrophobic hydrocarbon chain having from 7 to 30 carbon atoms grafted onto the hydroxyl functional group and/or the acid functional group of the lipophilic hydroxylated acid via a covalent bond chosen from the group consisting of an ester bond on the hydroxyl functional group, an anhydride bond on the acid functional group and an amide bond on the acid functional group, provided that, in the case of an amide bond, this hydrophobic hydrocarbon chain consists of an alkyl radical having from 10 to 30 carbon atoms resulting from a monoamine, or a combination of these bonds. These new derivatives are useful as active ingredient of cosmetic or pharmaceutical compositions and as emulsifying agents.
A method of treatment of skin for keratolytic activity comprising applying to said skin a lipophilic hydroxylated acid compound which is the reaction product of a hydroxylated acid selected from the group consisting of glycolic acid, lactic acid, malic acid, tartaric acid, gluconic acid, citric acid, salicylic acid, serine, a glycolic acid polymer, a lactic acid polymer, a glycolic acid and a lactic acid copolymer, with at least one hydrophobic hydrocarbon component, selected from the group consisting of a halide or anhydride of stearic acid, a halide or anhydride of palmitic acid, a halide or anhydride of myristic acid, a halide or anhydride of lauric acid, a halide or anhydride or undecylenic acid, a halide or anhydride of oleic acid, a halide or anhydride of linoleic acid, and a halide or anhydride of linolenic acid, in an amount effective to perform said treatment of skin.
Dependencies are inferred from the claim text.