abstract |
A hair and/or scalp treatment composition comprising an amino-oxo-indole-ylidene compound of general formula (I): (I) formula should be here in which: R1, R2, R3 and R4 are each, independently, hydrogen or a monovalent organic group selected from alkyl, alkenyl, alkynyl, aryl, alkylenearyl, cycloalkyl, cycloalkenyl, and heterocyclyl. |