Kerastase Blond Absolu Bain Ultra Violet Shampoo is a powerful purple shampoo for cool faux-blonde & grey hair. It is enriched with Hyaluronic Acid and Edelweiss Flower cocktail, which works great to remove excess oil, impurities from daily oxidation and pollution to replenish hydration. This Shampoo Instantly neutralizes brassy & yellow undertones. After using Bain Ultra-Violet shampoo you can expect silky-soft and vibrant hair with well nourished fiber.