| 摘要 |
<p>The invention concerns a direct dyeing composition for keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising, in a medium suited for dyeing, at least a direct dyeing agent, and also at least an amphiphilic polymer comprising at least an ethylenically unsaturated monomer with sulphonic group, in free form or partly or completely neutralised and further at least a hydrophobic part. The invention also concerns dyeing methods and devices using said composition.</p> |
