| 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 an oxidation base selected among certain substituted para-phenylenediamine derivatives and their addition salts with an acid, at least a polymer selected among amphoteric polymers, cationic polymers with specific repeat still units, or amphiphilic polymers comprising at least a fatty chain, and the dyeing method using said composition.
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