Cosmetic compositions containing copolymers as a thickening...

Details Cosmetic compositions containing copolymers as a thickening... Cosmetic compositions containing copolymers as a thickening...

A - Human Necessities

61

K

A61K 8/81 (2006.01) A61K 8/92 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2248699

The present invention is directed to compositions, particularly cosmetic compositions, in which the oil is thickened using at least one copolymer which has a hydrophobic funtionality sufficient to provide at least partial solubility and optionally stability in oil and a hydrophilic functionality sufficient to provide thickening of the oil. Use of such copolymers as thickening agents are advantageous in that they are soluble and stable in the oil phase. Further, sufficient thickening may be accomplished using very low amounts of these copolymers without the use of additional polymeric thickeners.

La présente invention concerne des compositions, en particulier des compositions cosmétiques, dans lesquelles l'huile est épaissie à l'aide d'au moins un copolymère ayant une fonctionnalité hydrophobe suffisante pour assurer une solubilité au moins partielle de l'huile et, éventuellement, sa stabilité, et une fonctionnalité hydrophile suffisante pour assurer l'épaississement de l'huile. De tels copolymères, utilisés comme agents épaississants, présentent l'avantage d'être solubles et stables dans la phase huileuse. En outre, on peut obtenir un épaississement suffisant en utilisant de très petites quantités de ces copolymères, sans ajout d'autres épaississements polymères.

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