Product Description Gently opens the hair cuticle and removes excess product and build up in the hair. This shampoo is the first step (cleanses) in preparing the hair prior to performing the Smoothe PLUS keratin smoothing process. BENEFITS Gently opens hair cuticle Removes excess styling products Removes any build up or impurities Cleanses and prepares hair for Smoothe PLUS keratin therapy For professional salon use only.