Hyaluronic acid and collagen. Treated and damaged hair Restructuring shampoo with hyaluronic acid and collagen for treated and damaged hair. Delicately cleanses, performing a very effective restructuring, moisturizing and nourishing action. Discipline the hair, avoiding the frizzy effect and providing an incredible shine and lightness. APPLICATION: Apply to damp hair, massage the scalp and hair gently, then rinse.