The Anti-yellow Shampoo designed by Technique was created to neutralize the tendency to yellow that distinguishes white, gray, gray hair, and those that have undergone particular technical treatments such as bleaching and highlights. Its creamy consistency and the formulation combined with a highly cosmetic surfactant action, revives the hair, gently cleansing and releasing bright and lasting reflections, for a visibly soft and luminous hair. It makes the hair easy to comb, light and hydrated. Dermatologically tested, Technique shampoo guarantees a scientifically proven anti-yellow effect on hair. Directions for use: apply the right amount of product and distribute it evenly on the skin with a brush. Gently massage and leave on for a few minutes. Rinse with warm water. Repeat if necessary.