Anhydrous cosmetic compositions with dermatologically active...

A - Human Necessities – 61 – K

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A61K 7/48 (1995.01) A61K 7/032 (1995.01)

Patent

CA 2209657

Novel cosmetic compositions containing topical delivery systems for polar dermatologically active agents are disclosed. Active agents, for example, skin revitalizing alpha hydroxy acids are absorbed or adsorbed on to preferably porous carrier particles with the assistance of a viscous polar solvent such as glycerin, if necessary, and dispersed in an anhydrous cosmetic base along with a film-forming system. Such compositions can be formulated into a variety of different cosmetic products, for example eye shadows, eye treatment primers and lip treatments, each providing significant immediate cosmetic benefits and longer term dermatologic activity.

L'invention a pour objet de nouvelles compositions cosmétiques contenant des systèmes d'administration topiques pour des agents polaires actifs sur le plan dermatologique. Des agents actifs, par exemple, des acides alpha hydroxy revitalisant la peau sont absorbés ou adsorbés sur des particules de support, de préférence poreuses, à l'aide d'un solvant polaire visqueux tel que de la glycérine, si nécessaire, et dispersés dans une base cosmétique anhydre avec un système filmogène. Ces compositions peuvent être formulées en une variété de produits cosmétiques différents, par exemple, des ombres à paupière, des produits de traitement de base des yeux et des produits de traitement des lèvres, qui offrent tous des avantages cosmétiques immédiats appréciables et dont l'action dermatologique s'exerce à plus long terme.

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