Kérastase Nutritive Bain Satin Riche High Nutrition is a shampoo by Kérastase that is specifically designed for very dry hair. This shampoo is nourishing, rich, and cleanses and refreshes dry hair. This deeply nourishing shampoo replenishes moisture and helps increase the softness of very dry hair. Kérastase Nutritive Lait Vital High Nutrition Ultra-Light Conditioner With Niacinamide For Dry, Fine To Medium Hair is a light and intensely nourishing conditioner that is perfect for dry, fine to medium hair. Kérastase Nutritive Masquintense Riche Deep Nutrition Rich Mask With Niacinamide is a hair mask for very dry medium to thick hair. This mask is rich and nourishing, and designed specifically for medium - thicker hair. With specially chosen conditioning polymers and niacinamide, this rich hair mask conditions thicker hair while providing balancing hydration for more soft, shiny, and supple hair.