ARGANICARE Keratin Professional Shampoo is designed to intensely regenerate damaged or chemically treated hair. Infused with keratin, the essential protein of the hair, this shampoo provides a protective coating for each fiber. It preserves the hair cuticle against breakage, prevents and treats split ends. This unique formula without sodium chloride contains an ultra-nourishing complex that permanently smoothes the hair cuticle, increasing elasticity and softness. Your hair is smoother for longer. Ideal as a maintenance after various smoothing. Your hair is healthy, silky and shiny. Directions for use: wet the hair abundantly, massage the scalp gently, lather and rinse well.