Kerastase Nutritive Irisome Bain Satin 1 gently cleanses your hair of dirt, excess oil and product build-up, whilst deeply moisturising and conditioning your hair to restore it back to full health. Enriched with an expert blend of energising ingredients, including glucose, proteins and lipids, it protects your hair from the effects of heat styling and environmental aggressors, preventing your locks from drying out in the future.