| abstract |
PROBLEM TO BE SOLVED: To provide sufficient breaching power even when the amount of an alkaline agent in the first agent is reduced, irritate eyes, nose, scalp, etc. and damage to hair while maintaining a high level of breaching power. To provide a multi-component oxidative hair dye capable of sufficiently reducing hair color. A multi-component oxidative hair dye comprising at least a first agent containing an alkaline agent and a second agent containing an oxidant, which is mixed and treated before use. The hair agent contains at least one selected from the group consisting of glutamic acid diacetic acid, aspartic acid diacetic acid, glycine diacetic acid, alkylglycine diacetic acid, phytic acid and salts thereof as a decolorization accelerator. Oxidative hair dye. [Selection figure] None |