Patent ID: 6146649
Filing Date: 2000-11-14
Classification: A61K,A61P,A61Q,B82Y,Y10S

Abstract:
A cosmetic/sunscreen/dermatological composition for topical application to human skin and/or hair which is resistant to photobluing or whitening upon topical application to human skin and/or hair that comprises the combination of the following: (i) an amount of at least one titanium dioxide pigment sufficient to inhibit the deleterious effects of ultraviolet radiation to human skin and/or hair upon topical application of said composition thereto; and (ii) an amount of deformable hollow particulates having a particle size ranging from 1 .mu.m to 250 .mu.m which are comprised of an expanded copolymer of vinylidene chloride, acrylonitrile and (meth)acrylate sufficient to inhibit the photobluing or whitening that would otherwise occur when said composition is topically applied to human skin and/or hair, wherein the amount of said titanium dioxide nanopigment ranges from 1% to 30% by weight relative to the total weight of the composition, and wherein the amount of said expanded copolymer ranges from 0.1 to 10% by weight relative to the total weight of the composition.