Mix with the hair color at the desired ratio.

WATER/AQUA/EAU, HYDROGEN PEROXIDE, CETEARYL ALCOHOL, SODIUM LAURYL SULFATE, SODIUM CETEARYL SULFATE, RICINUS COMMUNIS (CASTOR) SEED OIL, DISODIUM EDTA, SODIUM STANNATE, PROPYLENE GLYCOL, HYDROLYZED SILK, HYDROLYZED KERATIN, PARFUM, LACTOBACILLUS FERMENT, PHENOXYETHANOL, ETHYLHEXYLGLYCERIN, TETRASODIUM GLUTAMATE DIACETATE, ETIDRONIC ACID, SODIUM HYDROXIDE, COUMARIN, HEXYL CINNAMAL.