Kérastase Blond Absolu Bain Lumière is a daily hydrating and illuminating shampoo designed for all types of blonde hair, including lightened, highlighted, and naturally blonde. Formulated with a translucent gel consistency, it deeply cleanses the scalp and hair while removing impurities and environmental pollutants that can dull blonde hair over time.

The formula is built around two key ingredients: Hyaluronic Acid, which strengthens and repairs hair fibers to prevent breakage while providing deep hydration, and Edelweiss Flower extract, rich in antioxidants that protect hair against daily damage and soften sensitized fibers. Clinical testing shows hair is 4x shinier compared to unwashed hair, with a smooth, uniform texture achieved from root to tip.

To use, apply to wet hair and gently massage into scalp and lengths until a lather forms. For best results, start at the scalp then emulsify with water before combing through mid-lengths and ends. Rinse thoroughly; a double cleanse is recommended for a deeper clean. Follow with a Blond Absolu conditioner for a complete routine. Each bottle contains 8.5 fl oz (250 ml).