KERATIN SHAMPOO Concerto 1 l Shampoo Concerto Keratin-based shampoo is a true energy and vitality boost for lifeless and weakened hair. The amino acids contained in keratin act on the surface, repairing and strengthening the hair fiber; deeper down, they seal the hair cuticle and give the cuticle its strength and smooth appearance. Furthermore, the shampoo Concerto based on keratin, it gently cleanses the hair without depleting its hydrolipidic barrier.
