Product Description Shampoo capable of restoring the hair’s natural pH balance. A formula designed according to the Salerm Cosmetics Sequential Hair Care System to restore the hair’s structure after technical treatments, ensuring a better chromatic effect and making treatments longer lasting. How to use: Wet hair and apply a small amount of the product. Lather and rinse. Apply a second time, work into the hair for 3 minutes. Rinse and then proceed as usual.