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.