Patent ID: 8071078

Claim:
A personal care or cosmetic composition comprising a blend of microencapsulated colorants wherein the microencapsulated colorants comprise a colorant or dormant colorant which dormant colorant exhibits color upon exposure to heat or radiation encapsulated by a polymeric matrix material formed from a blend of monomers comprising a first monomer that is an ethylenically unsaturated ionic monomer and a second monomer that is an ethylenically unsaturated hydrophobic monomer selected from styrene, methyl methacrylate, tertiary butyl methacrylate, phenyl methacrylate, cyclohexyl methacrylate and isobornyl methacrylate, said material selected to prevent the release of the colorant or dormant colorant, have a particle size between 1 and 50 microns, and wherein the blend of microencapsulated colorants are selected from at least two colors that are distinct from each other, wherein the personal or cosmetic composition is in the form of a shaving preparation, a skin-care preparation, a cosmetic personal care preparation, a light-protective preparation, a deodorant or antiperspirant, or a personal cleaning product.