| 摘要 |
A hair dye composition containing the following components (a) and (b) and having a pH from 2 to 12 at the time of use: (a) 0.1 to 20% by mass of an aromatic sulfone compound represented by the formula (1) shown below: Wherein R's, Y, X− and Z+ are defined in the claims and in the disclosure. (b) 0.01 to 5% by mass of at least one component selected from glycylglycine, glycylglycylglycine and salts thereof.
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