Kérastase Chronologiste Masque Intense Régénérant is a luxurious, youth-revitalizing hair mask designed to deeply nourish and transform hair weakened by the signs of aging. Infused with professional-grade skincare actives like Hyaluronic Acid, Abyssine, and Vitamin E, this rich treatment balm delivers 87% more hydration and long-lasting frizz control. It works effectively from root to tip, strengthening the hair fiber to deliver an incredible 97% reduction in hair breakage. The hair and scalp are instantly rejuvenated, leaving strands with 6x more mirror-like shine and a healthy, youthful bounce. Reverses 5 Signs of Hair Aging — targets dryness, dullness, frizz, lack of volume, and fiber thinning to restore vitality to lifeless hair. Advanced Skincare Actives formulated with Hyaluronic Acid plump and hydrate strands, while Abyssine invigorates and revitalizes the entire hair fiber. Intense Fiber Strengthening deeply fortifies damaged structures, yielding up to 97% fewer hair breakages and restoring structural elasticity. Unlike traditional formulas, this unique rich balm can be safely applied directly onto the scalp to soothe skin while boosting hair smoothness by 75%. Enveloped in a signature, sophisticated fine fragrance featuring notes of tea rose, light woods, and musk. Application: Gently squeeze excess water from washed hair. Apply generously from roots to ends, massaging onto the scalp as well. Leave on for 5 minutes. Emulsify by adding a little water, then rinse thoroughly until water runs clear.