Patent ID: 6946147

Claim:
A method of making optically-activated fixed particles for use in cosmetics, toiletries, and pharmaceutical preparations for reducing the visual perception of skin imperfections, comprising the steps of: a) mixing a plurality of substrate particles with one or more solvents to form a mixture; b) reacting said mixture of said plurality of substrate particles with a fluorescent compound, and said fluorescent compound being in the range of 0.01% to 50.0% by weight of said mixture; c) fixing said fluorescent compound to said plurality of substrate particles to form a plurality of optically-activated fixed particles in said mixture; and d) filtering or otherwise separating said mixture to separate out said plurality of optically-activated fixed particles having said fluorescent compound being in the range of 0.0001% to 20.0% by dry weight of said composition and said substrate particles being in the range of 80.0% to 99.9999% by dry weight of said composition for use in making cosmetic, toiletries and pharmaceutical preparations.