New cosmetic formulations containing a film-forming polymer

Details New cosmetic formulations containing a film-forming polymer New cosmetic formulations containing a film-forming polymer

A - Human Necessities

61

K

A61K 8/73 (2006.01) A61K 8/37 (2006.01) A61K 8/46 (2006.01) A61Q 3/02 (2006.01)

Patent

CA 2241357

This invention concerns a cosmetic and/or dermatological formulation consisting of: (a) at least one film-forming polymer; (b) at least one compound that is a citric acid ester; (c) at least one compound that satisfies formula (II): (see Fig.I) in which .alpha. represents a methyl group in the ortho or para position, R and R , whether identical or different, represent a hydrogen atom or a C1-C6 alkyl group. This formulation has improved properties in terms of fluidity, ease of application, film homogeneity, drying speed, wear resistance; sheen, resistance to yellowing, light-fading and thermal stability.

L'invention a pour objet une composition cosmétique et/ou dermatologique comprenant: (a) au moins un polymère filmogène; (b) au moins un composé choisi parmi les esters de l'acide citrique; (c) au moins un composé choisi parmi ceux répondant à la formule (II): (voir fig. I) dans laquelle .alpha. représente la position ortho ou para du groupement méthyl, R et R', identiques ou différents représentent un atome d'hydrogène ou un groupement alkyle en C1-C6. Cette composition présente des propriétés améliorées en ce qui concerne la fluidité de la composition, la facilité d'application, l'homogénéité du film, la rapidité de séchage, la résistance du film à l'usure, la brillance, la résistance au jaunissement, la stabilité à la lumière et à la chaleur.

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