Cosmetic particles that transform from hard to soft...

Details Cosmetic particles that transform from hard to soft... Cosmetic particles that transform from hard to soft...

A - Human Necessities

61

K

A61K 8/04 (2006.01) A61K 8/92 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2728732

Cosmetic particle compositions are provided which are adapted to form hard cosmetic particles that transform to soft cosmetic particles after their incorporation into topical formulations, particularly surfactant-based topical formulations. The composition includes one or more partially or fully hydrogenated triglyceride oils, at least 50% of which have at least 15% by weight fatty acid moieties with carbon chain lengths of C18 or higher. Additives may be disposed in or on the hard cosmetic particles and delivered when the cosmetic particles are broken proximate a target such as the skin, hair or nails of a mammalian subject or another target. The transformable hard cosmetic particles permit the storage and shipment of intact cosmetic particles yet transform in situ to achieve the benefits of soft cosmetic particles.

La présente invention concerne des compositions de particules cosmétiques qui sont adaptées pour former des particules cosmétiques dures qui se transforment en particules cosmétiques molles après leur incorporation dans des formulations topiques, en particulier des formulations topiques à base de tensioactif. La composition comprend une ou plusieurs huiles de triglycérides partiellement ou totalement hydrogénées, dont au moins 50 % ont au moins 15 % en poids de fragments dacide gras ayant des longueurs de chaîne de carbone de C18 ou plus. Des additifs peuvent être disposés dans ou sur les particules cosmétiques dures et délivrés lorsque les particules cosmétiques sont rompues à proximité dune cible telle que la peau, la pilosité ou les ongles dun sujet mammifère ou une autre cible. Les particules cosmétiques transformables permettent la conservation et le transport de particules cosmétiques intactes qui se transforment in situ pour produire les bénéfices de particules cosmétiques molles.

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