Permanent coloring that, thanks to the innovative RevoSensyl-Plus® technology and the elimination of common sensitizers (without Ammonia, Resorcinol, Para-phenylediamine toluendiamine, Para-, 1-naphthol, Preservatives, Perfume), allows more safety and more tolerability at skin level, more delicacy and respect for the fiber and more color performance with 100% coverage of gray hair. Tested for nickel, chromium and cobalt. Tested on sensitive skin. Dyes designed for women and men. Healthy and protected hair and scalp, intense and brilliant color. Ideal for those who want a long lasting intense color. Also suitable for totally white hair. Dark blond color.