Simply Smooth Xtend Keratin Replenishing Color Lock Shampoo 8.5 ozXtend Color Lock Keratin Replenishing Shampoo is a gentle, sodium chloride free cleanser that adds luxurious shine while providing long lasting age defying color results. High level antioxidants deliver strength to the hair fibers and produce durable hair color results. This product may be used to maintain a Simply Smooth Keratin Treatment, but may also be used on all hair types.Directions: Apply to wet hair and emulsify. Rinse well. Follow with Simply Smooth Xtend Color Lock Keratin Replenishing Conditioner.Simply Smooth Xtend Keratin Replenishing Color Lock Shampoo 8.5 oz