Kerastase Discipline Oleo Relax Shampoo 8.5 OzKerastase Bain Oleo Relax Shampoo is specifically formulated to be an ideal shampoo for damaged hair. It actively helps relax, detangle, and smooth each hair follicle as it cleanses gently and completely. This is simply the best shampoo for very dry hair, try it and see the nourishing, moisturizing difference Keratase can make for you. If your hair is rebellious and resists your every attempt at managing it, this shorea oil formula is your answer.