Kerastase Nutritive Lait Vital Irisome Conditioner 6.8 oz is one of the best professional hair care products to improve your daily styling needs. Overtime, oxidation can impact hair color, causing pigments to change. This formula relies on the power of Iris Rhizome Extract to battle that, safeguarding your follicles' nutrients and shade. The lightweight formula also has glucids and lipids, keeping hair radiant, fresh and easy to handle.