Kérastase Nutritive Bain Satin Riche Shampoo is a high nutrition rich shampoo that cleanses and deeply replenishes dry to very dry hair. Formulated with plant-based proteins and niacinamide, this nourishing formula detangles and conditions the hair while adding strength and boosting shine. Uses plant-based proteins to nourish the hair with essential nutrients & help retain moisture, and Niacinamide (Vitamin B3) to strengthen the hair fiber & locks-in nutriments. A little goes a long way, bottle lasts months. Leaves hair silky soft and visibly shinier. And it's NWT!