Wella Professionals Ultimate Smooth shampoo is a professional quality product that deeply purifies the hair while nourishing it, giving it softness and shine. | To fight frizz. It is formulated with a metal purifier, a metal detoxifier that serves to detoxify the hair from metal residues and other substances that remain on the scalp. Benefits: | Formulated with metal purifier technology to detoxify hair from metals Enriched with Squalane and Omega-9 to deeply nourish the hair from within and strengthen and fill the outer barrier of the hair. Dermatologically tested and suitable for colored hair. For best results, use with conditioner, maschera (weekly) or Ultimate Smooth miraculous oil serum.