| 摘要 |
The invention concerns an oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a suitable dyeing medium, at least a first oxidation base selected among pyrazolo-[1,5-a]-pyrimidines, N,N-bis-( beta -hydroxyethyl) paraphenylenediamine as second oxidation base, and at least a coupling agent selected among the meta-aminophenols and the meta-phenylenediamines, and the dyeing method using said composition.
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