Kérastase Blond Absolu Bain Ultra-violet is rich in neutralising agents to instantly remove brassiness & yellow undertones. Ideal for cool blondes & grey hair, the regular use of this shampoo provides durable anti-brassiness protection, keeping blonde shades cool for longer. It protects hair from daily oxidation & pollution, restoring shine & softness. Enriched with a potent combination of Hyaluronic Acid & Edelweiss flower, the formula instantly boosts blonde luminosity while deeply nourishing the fiber.