| abstract |
The present application provides a composition in foam form for colouring keratin-containing fibres, more particularly human hair, under induction by atmospheric oxygen, the composition comprising, in a cosmetically acceptable vehicle, at an alkaline pH of 8 to 10.5, (a) as a colour-forming component in the form of a dye precursor of a nature-analogous dye, at least one indole and/or indoline derivative, (b) at least one alkalifying agent, and (c) at least one propellant, the composition comprising no additional oxidizing agent for the colour-forming components. |