Damaged, over-processed hair lacks softness and shine. Formulated with Pro-Keratin and Silk, Matrix's keratin treatment for damaged hair provides targeted reinforcement for over-processed, weak or fragile hair. When used with the Keratindose Shampoo and Conditioner, formulas provide nourishment and cleansing while balancing moisture for over processed hair. Restore overprocessed hair. 90% more conditioned after one application*.