The present invention relates to the use of a cosmetic composition intended for dyeing keratin fibres, especially human hair, said cosmetic composition comprising as active principle a Gardenia extract.本發明有關一意欲用於染色角蛋白纖維,尤其是人類毛髮,的化妝品組成物的用途,該化妝品組成物包含作為活性成分的梔子花萃取物。