COMPOSITION DE TEINTURE DES FIBRES KERATINIQUES HUMAINES AVEC DES COLORANTS DIRECTS ET DES COMPOSES DICATIONIQUES

摘要

The invention concerns dyeing compositions for human keratinous fibres and more particularly hair, comprising in a suitable dyeing medium, at least a direct dye, and additionally at least a dicationic compound. The invention also concerns the dyeing methods and device using said composition.