| 摘要 |
The invention concerns an oxidation dyeing composition for keratinous fibres, in particular human keratinous fibres such as human hair, comprising in a medium suited for dyeing, at least an oxidation dyeing precursor and/or a coupling agent selected among paraphenylenediamines, double bases, paraminophenols, heterocyclic bases and couplers, and the addition salts of said compounds with an acid, and at least an amphoteric polymer comprising a fatty chain having 8 to 30 carbon atoms. The invention also concerns dyeing methods and devices using said oxidation dyeing composition.
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