Renpure Perfection Keratin Creme Repairing Shampoo. Most damage is from the breakdown of hair?? natural, keratin cuticle-layer caused by shampooing friction, chemical treatments, brushing, styling and exposure to the environment. This shampoo and conditioner has a unique amino acid profile of protein similar to Keratin, which helps to repair the cuticle layer. The perfect combination of protein, vitamins and coconut oil, will help keep hair strong and moisturized to prevent and restore damage??esulting in healthy, shiny, beautiful hair.