With a formula of high tolerability, without silicones or allergens, its small amount of ammonia, together with its functional nutrient substances such as Joyoba, Macadamia, Rosehip, Sesame, Coco, Apricot and Pomegranate, achieve a very little aggressive dye, and guarantee a healthy hair. Formula free of Silicones, Resorcin, PPD, Perfume free of allergens. Tested in Nickel 0.0001%