Strengthening shampoo that replenishes the lack of natural keratin, providing body to the hair. Formulated with low molecular weight hydrolyzed keratin rich in cystine. Details: With low molecular weight hydrolyzed keratin. Keratin reinforcer. Filling action. Collagen booster. Concentrated nutrient formula. Without parabens. Especially indicated for damaged hair. Benefits: Nutrition and immediate restructuring. Strengthens and repairs hair. Prevents split ends and hair breakage. How to use: Apply with a light massage and leave it to act for a few minutes on the hair and scalp. Rinse.