Patent ID: 7601180
Filing Date: 2009-10-13
Classification: A61K,A61Q

Abstract:
1. A method for dyeing and lightening human keratin substances, comprising applying to the human keratin substances at least one composition for dyeing human keratin substances with lightening effect, comprising, in a cosmetically acceptable medium, at least one fluorescent cyanine dye chosen from compounds of formula (I), compounds of formula (II), and salts thereof: wherein: linker represents a saturated or unsaturated, aliphatic or alicyclic C R1represents a linear C R2 represents hydrogen; halo; alkyl; alkoxy; amino optionally substituted by at least one C R3 represents a linear C or two R3 form, together with the linker and the nitrogens to which they are attached, a 6- or 7-membered saturated heterocycle of formula:  wherein n is 1 or 2; and X