Masquintense Riche by Kérastase is an intensely nourishing rich hair mask for very dry medium to thick hair. Our mask is designed specifically for thicker hair. Enriched with specially chosen conditioning polymers and niacinamide, this rich mask conditions hair and offers balancing hydration for instant suppleness, shine and softness Masquintense Riche has a rich and thick white creamy texture, making it an ideal treatment for very dry hair.