Rusk Deepshine Smooth Keratin Care Smoothing Shampoo is a professional hair care line formulated with natural keratin to help replenish the hair????s natural keratin which may be lost or damaged during the chemical/color process. All formulas are sodium and sodium chloride free making them safe for use on chemically and color-treated hair. This maintenance system is perfect for anyone who has had a keratin smoothing treatment or chemical straightening service. These products strengthen and repair the hair; restore elasticity; lock out humidity; and improve overall texture and condition leaving it smooth and shiny. Sodium-free strengthening and gentle cleansing shampoo; Natural keratin helps prevent breakage and adds renewed strength to hair; Helps protect hair during thermal styling; Keeps hair smooth and shiny; For all hair types including anyone with chemically or color treated hair; Recommended for use prior to and following keratin smoothing treatments or chemical/color services; Product Options Available are as follows: Size : 12 oz - Rusk Deepshine Smooth Keratin Care Smoothing Shampoo; Size : 33.8 oz / liter - Rusk Deepshine Smooth Keratin Care Smoothing Shampoo;