| 摘要 |
<p>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 certain substituted paraphenylenediamine derivatives and their addition salts with an acid, and at least a second selected oxidation base, and the dyeing method using said composition.</p> |
