Patent ID: 9180321
Filing Date: 2015-11-10
Classification: A61K,A61Q

Abstract:
1. A cosmetic composition comprising: (a) at least one tackifier component comprising a styrene/methylstyrene/indene copolymer; (b) at least one liposoluble polymer comprising a thermoplastic elastomer comprising a styrene-ethylene butylene di-block copolymer, a styrene-ethylene butylene-styrene tri-block copolymer, or a combination thereof; (c) at least one solvent; and (d) optionally, at least one colorant, with the proviso that, if the cosmetic composition is a waterproof mascara, and the at least one liposoluble polymer has a styrene content of greater than 30% by weight, based on the weight of the elastomer, then the composition also contains at least one solvent or functional ingredient capable of dissolving a styrene block, wherein the composition has a measurable creep viscosity at 25° C.