abstract |
Process for dyeing keratinous fibres, characterized in that there is applied to these fibres at least one composition (A) containing, in an appropriate medium for dyeing, 5,6-dihydroxyindole in combination with iodide ions, the application of this composition (A) being preceded or followed by the application of a composition (B) which contains, in an appropriate medium for dyeing, hydrogen peroxide at an alkaline pH of less than 12. |