The Kérastase Blond Absolu Bain Lumière is a hydrating and illuminating shampoo designed to gently cleanse and moisturize blonde, lightened, or highlighted hair. Infused with Hyaluronic Acid and Edelweiss Flower, it deeply nourishes the hair fiber, leaving strands soft, smooth, and radiant. This lightweight formula removes impurities while enhancing shine and protecting hair from daily environmental aggressors.