Patent ID: 7198650
Filing Date: 2007-04-03
Classification: A61K,A61Q

Abstract:
1. A method for dyeing human keratin materials having a tone height of less than or equal to 6 with a lightening effect comprising applying to the human keratin materials, in an amount effective to provide a lightening effect on fibers that have a tone height of less than or equal to 6, a composition comprising, in a cosmetically acceptable medium, at least one fluorescent dye that is soluble in the medium and at least one surfactant chosen from: amphoteric surfactants chosen from betaines and imidazolium derivatives, and nonionic surfactants chosen from alkylpyrrolidones, oxyalkylenated fatty alcohol ethers, glycerolated fatty alcohol ethers, fatty acid esters of oxyalkylenated monoalcohols, fatty acid esters of glycerolated monoalcohols, fatty acid esters of optionally oxyalkylenated polyols, and fatty acid esters of optionally glycerolated polyols; wherein the at least one fluorescent dye is chosen from groups formed by dyes comprising the following structures: wherein: R R R R X is chosen from: a being equal to 0 or 1: Y