Patent ID: 6689173
Filing Date: 2004-02-10
Classification: A61K,A61Q,C09B

Abstract:
A hair dye composition comprising, as a direct dye, a compound represented by the following formula (1): wherein R1, R2, R3, and R4 each independently represents a C1-6 alkyl group which may have a substituent, an alkenyl group which may have a substituent or an aryl group which may have a substituent, or R3 and R4, when taken together with the adjacent carbon atom, form a 5- to 12-membered ring,R5 represents a hydrogen atom, a C1-6 alkyl group which may have a substituent, an alkenyl group which may have a substituent, an aryl group which may have a substituent, or an acyl group, X1 and Y2 each independently represents a hydrogen atom or a halogen atom, Y1 and Y2 each independently represents a hydrogen atom, a C1-6 alkyl group which may have a substituent, an alkenyl group which may have a substituent, a C1-6 alkoxy group which may have a substituent or a halogen atom, may have a substitent, an alkenyl group which may have a substituent, a C1-6 alkoxy group which may have a substituent or a halogen atom, Z1 and Z2 each independently represents a hydrogen atom, a C1-6 alkyl group which may have a substituent, an alkenyl group which may have a substituent, a C1-6 alkoxy group which may have a substituent, a nitro group or a halogen atom, and Aâˆ’ represents an anion the composition having a pH ranging from 6-11 that is adjusted to within said range by an alkali agent and containing at least one cosmetic ingredient selected from the group consisting of hydrocarbons, animal or vegetable fats and oils, fatty acids,organic solvents, hair penetration promoters, cationic surfactants, natural or synthetic polymers, alcohols, ethers, amphoteric surfactants, nonionic surfactants, protein derivatives, amino acids, antiseptics, chelating agents, stabilizing agents, antioxidants, plant extracts, crude drugs extracts, vitamins, colorants, perfumes, aerosolizing agents and UV absorbers.