Additional Details ------------------------------ Product description: Fortifying Shampoo for the strength, vitality, and protection of your hair. External factors that aggress the hair, repeated straightening, the heat of the hairdryers, stress can put a strain on the hair. The formula of the Fortifying Shampoo gives strength and vitality to the hair fiber at the root, while protecting the hair. Contains hydrolyzed keratin, 98% formula identical to that of the hair composition. The goal is to repair the hair's keratin by nourishing it with the elements that make it up. Keratin will protect your hair by wrapping it, repairing and strengthening your hair to prevent breakage! Fortifying Shampoo contains Provitamin B5 (Panthenol), a major component of coenzyme A that plays a key role in the repair mechanism of cells and tissues. This vitamin contributes to good hydration of the hair, strengthens it, and amplifies its shine.