Softens, protects and makes hair more luminous. Respects the integrity of the scalp and hair shaft. An effective formula for an invigorated action in nourishing and repairing the hair shaft. With Keratin, Biotin and Hamamelis virginiana, Provivax® N Shampoo NutriRepair can be used on sensitive scalps. Provivax® N NutriRepair Shampoo is a gentle formulation for the whole family.