Long-wearing cosmetic compositions with improved shine

Details Long-wearing cosmetic compositions with improved shine Long-wearing cosmetic compositions with improved shine

A - Human Necessities

61

K

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

Patent

CA 2562484

A cosmetic composition comprising (A) a first structured and adhesive film- forming fatty phase comprising (i) one or more lipidic components that are mutually compatible with one another when liquefied; (ii) at least one adhesive film-forming agent; and (iii) at least one lipophilic structuring agent in an amount effective to retain a second fatty phase entrapped in said cosmetic composition prior to application on mammalian keratinous tissue; and (B) a second fatty phase comprising at least one non-volatile lipidic component wherein said second fatty phase (B) is incompatible with said first structured and adhesive film-forming fatty phase (A) and said second fatty phase (B) is entrapped in said composition where upon application of said composition to mammalian keratinous tissue, said second fatty phase (B) readily separates from said composition to form a barrier layer over said first structured and adhesive film-forming fatty phase (A) and wherein said composition is substantially free of surfactants such that separation of said second fatty phase (B) from said composition is not prevented following application of said composition.

L'invention concerne une composition cosmétique qui comprend (A) une première phase lipidique structurée formant un film adhésif qui comprend (i) un ou plusieurs composants lipidiques qui sont compatibles les uns avec les autres à l'état liquéfié; (ii) au moins un agent formant un film adhésif; et (iii) au moins un agent restructurant lipophile présent dans des quantités efficaces pour retenir une deuxième phase lipidique, piégée dans ladite composition cosmétique avant l'application au tissu kératineux mammalien; et (B) une deuxième phase lipidique comprenant au moins un composant lipidique non volatil, la deuxième phase lipidique (B) étant incompatible avec la première phase lipidique structurée formant un film adhésif. Cette deuxième phase lipidique (B) est piégée dans ladite composition, et lors de l'application de ladite composition à un tissu kératineux mammalien, la deuxième phase lipidique (B) se sépare facilement de ladite composition de manière à former une couche barrière par-dessus (A) la première phase lipidique structurée formant un film adhésif. Cette composition est sensiblement exempte de surfactants, de manière à ce que l'application de ladite composition n'empêche pas la séparation de ladite deuxième phase lipidique (B) de ladite composition.

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