Kerastase Nutritive Oleo-Relax Masque softens and smoothes dry coarse hair. An exlusive Nutri-huile complex combines Shorea Seed Butter and Palm oils to soften the hair fibers and provide deep nutrition, and Cationic polymers to ease detangling. Intense enough to calm and repair dry hair, yet gentle enough to use every day, this daily treatment will make your hair soft, smooth and supple while providing long-lasting frizz free protection. The anti-frizz properties from the added Silicone derivative ingredients block out humidity so well, K�rastase Nutritive Oleo-Relax Masque won InStyle Magazine's Best Beauty Buy Award "Best Conditioner for Coarse/Curly Hair". Now that's effective!