Long-wearing cosmetic compositions

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/06 (2006.01) A61Q 1/02 (2006.01)

Patent

CA 2562483

A cosmetic composition comprising: (A) at least one structured aqueous polymeric adhesive phase comprising: i) at least one aqueous dispersion of adhesive film-forming polymer particles; and ii) at least one structuring agent in an amount effective to viscoelastically thicken, but not solidify, the structured aqueous polymeric adhesive phase; and (B) at least one fatty phase comprising at least one lipidic component wherein (A) is compatible when combined with (B) to form a long-wearing cosmetic composition such that the viscosity of the long-wearing cosmetic composition is greater than the viscosity of (B) alone and the tan .delta. value of the long-wearing cosmetic composition is less than the tan .delta. value of (B) alone.

L'invention concerne une composition cosmétique qui comprend (A) une première phase adhésive polymère aqueuse structurée contenant i) au moins une dispersion aqueuse de particules polymères formant un film adhésif et ii) au moins un agent structurant présent dans des quantités efficaces pour densifier de manière viscoélastique mais pas pour solidifier la phase adhésive polymère aqueuse structurée; et (B) au moins une phase lipidique comprenant au moins un composant lipidique, (A) étant compatible lorsqu'elle est combinée avec (B) pour former une composition cosmétique longue durée, de manière à ce que la viscosité de la composition cosmétique longue durée soit supérieure à la viscosité de (B) prise isolément, et à ce que la valeur de bronzage ? de la composition cosmétique longue durée soit inférieure à la valeur de bronzage ? de (B) pris isolément.

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