Tinta After Color Shampoo contains natural Citric Acid which closes the hair’s cuticle and leaves the hair easy to manage. The shampoo has a pH value of 4. Vitamin E stops the oxidation process after the color service. Silk Protein gives the hair softness and shine. Tinta After Color Shampoo removes the residues of pigment from the hair and scalp. Because of the low pH value, a treatment with Tinta After Color Shampoo and Balsam is only recommended immediately after the color treatment. In Salon Use Only.