METHOD FOR TREATING KERATIN MATERIALS USING AN ACRYLIC ANHYDRIDE POLYMER IN OILY DISPERSION AND AN AMINE COMPOUND

Fecha de publicación: 30/12/2021
Fuente: Wipo "olive oil"
The present invention relates to a process for treating keratin materials, preferably human skin, in particular the lips, preferably in at least two steps involving, in a first stage, the application to said materials of an oily dispersion (A) comprising i) particles of copolymers of alkyl acrylates and of anhydride acrylics, ii) stabilizers, iii) one or more hydrocarbon-based oils; and then, in a second stage, the application to said materials of a composition (B) comprising iv) one or more amine compounds, it being understood that the process of the invention uses v) one or more cosmetic active agents chosen from a) pigments, b) active agents for caring for the skin, and c) UV-screening agents and also d) mixtures thereof; ingredients a) to d) possibly being found in composition (A), and/or in composition (B), and/or in another composition (C).
The process of the invention makes it possible to obtain a treatment of said keratin materials that is notably resistant to sweat, to shower gels, to water and to fatty substances, in particular plant or animal food oils, and more particularly plant oils such as olive oil, sunflower oil, walnut oil, hazelnut oil, etc.
The keratin material treatment process of the present patent application is also suitable for making up the skin or the lips, such as foundations and lipsticks.