WHAT IT IS Keratin Shampoo works to reconstruct every bit of hair rebuilding and improving it from the inside out. WHAT IT DOES CHI Keratin Shampoo gently cleanses and reconstructs hair by replenishing natural keratin levels. Keratin Shampoo utilizes a sophisticated formula to restore mechanically environmentally or chemically abused hair. Smooths strengthens intensely hydrates and boosts hair s overall strength preventing future breakage.