Amend Special Care Deyellowing Shampoo 250 mlFormula with violet pigments that act as agents that eliminate yellowish reflections, enhancing silvery nuances. With Creatine that penetrates deeply into the strands, increasing the resistance of hair fibers and recovering hair damaged by chemical and physical processes. Dermatologically tested. How to use: Apply to wet hair, massaging the strands with your fingertips. Rinse well and repeat if necessary. In effect, progressive, use whenever you want