This is the Bain Lumiere Shampoo from the Kérastase Blond Absolu line, designed specifically for blonde hair. It offers gentle cleansing while helping to illuminate and maintain the cool tones of bleached or highlighted hair. Ideal for daily use, this product enhances shine and softness, ensuring your blonde remains vibrant between salon visits. Perfect for travel or trying out the line, this formulation focuses on neutralizing unwanted brassy tones while deeply nourishing the hair fiber.