Kérastase Blond Absolu Bain Ultra-Violet is rich in neutralising agents to instantly remove brassiness and yellow undertones. Ideal for cool blondes and 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 and pollution, restoring shine and softness. Enriched with a potent combination of Hyaluronic Acid and Edelweiss flower, the formula instantly boosts blonde luminosity while deeply nourishing the fiber. Restore gloss and shine to blonde hair with Kérastase Blond Absolu Bain Ultra Violet Shampoo, a deeply nourishing treatment that boosts luminosity. The purple shampoo works to deliver lasting protection against brassy and yellow tones, while defending against pollution and other external aggressors to maintain a natural-looking shine. Hyaluronic acid and edelweiss flower work in harmony to melt away dirt and excess oil and replenish hydration, leading to a silky-soft and vibrant head of hair.