Hair dye composition comprising hydrogen peroxide and two specific direct dyes

摘要

Described is a two-part hair dye having a first component part containing an alkali agent and a direct dye and a second component part containing hydrogen peroxide, or a three-part hair dye having a first component part containing an alkali agent, a second component part containing hydrogen peroxide and a third component part containing a direct dye, wherein the first component part of the two-part hair dye or the third component part of the three-part hair dye contains, as the direct dye, (A) a first direct dye selected from the formulas (1) to (8) defined in the description: and (B) a second direct dye selected from Basic Blue 99, Basic Blue 47, Disperse Blue 1, Disperse Blue 3, Disperse Blue 7, Disperse Blue 72, Disperse Violet 1, Disperse Violet 4, Disperse Violet 15 and Disperse Violet 27. This hair dye is capable of dyeing the hair in a natural, deep, brown to black color tone while bleaching the hair.