Kérastase Nutritive Nourishing Hair Serum With Niacinamide, Overnight Leave-In Treatment for Dry Hair

Kérastase Nutritive Nourishing Hair Serum is an overnight leave-in treatment for dry hair that restores moisture and improves manageability. The silky, fast-absorbing serum softens strands and helps reduce breakage while you sleep. Recommended for dry or brittle hair types seeking intensive nourishment and a smoother, more manageable finish.