Una Restructurizing Hair Treatment Amples 0.34 oz - 12 vials Intensive restructuring treatment for stressed and damaged hair. Keravis is una a protein that acts as a restructuring and regenerating agent. It strengthens the struttura internal structure of the hair and prevents breakage, improving elasticity and making it easier to comb. The surface of the hair is left shiny and regains volume and softness. Usage: apply to hair washed with Energizing Shampoo and conditioner. Use at least 3-4 times a week for 4-6 consecutive weeks. Do not rinse.