Masquintense by Kérastase is a deeply nutritive ultra-concentrated hair mask for very dry fine to medium hair. One of the best hair masks for dry, damaged hair, it contains plant-based proteins and niacinamide that boost the formula’s ability to nourish and reinforce the hair. The light cream delivers a powerful dose of concentrated nutrients to deeply strengthen and nourish the hair. Benefits: -Supplements fiber with essential nutrients-Restores elasticity and manageability-Leaves a film that protects powerfully hair against chronic dryness