Nutritive Masquintense Riche Deep Nutrition Rich Mask by Kérastase is a deeply nutritive ultra-concentrated rich hair mask for very dry medium to thick hair. The best hair mask for thicker hair, it contains anti-dryness polymers to maintain hair's lightness and movement, and essential nutrients that boost the formula's ability to nourish and reinforce the hair. The rich cream feeds hair with nutrients and moisture for instant suppleness, radiant shine, and a satin touch. Masquintense Riche has a rich and thick white creamy texture, making it an ideal very dry hair treatment. Up to +89% of immediate hydration & 72H nutrition. (1)Instrumental test results after application of Masquintense Riche. Offering quenching moisture for dry medium-to-thick hair types, Kérastase’s Nutritive Masquintense Riche Deep Nutrition Rich Mask softens and nourishes brittle lengths and ends.The highly concentrated breathable balm-like texture features a plethora of plant-based proteins and niacinamide to encourage stronger-looking hair, protecting against visible split ends and excess breakage. Acting as the perfect hair pick-me-up, the five-minute mask promotes a glossy, touchably soft and more manageable finish for those with medium and thick hair types, intensely hydrating and caring for the strands.