Stapiz - Color Protect Acid Balance Shampoo Professional line of hair products with acid pH (pH 3.5), recommended after coloring or bleaching services and for maintaining colored hair. Its ingredients produce a strong acidifying effect, providing excellent care and protection of color intensity. Developed for professional hair care, it thoroughly cleanses the hair after coloring and bleaching services. Its innovative formula closes the hair cuticles, improving the intensity and longevity of a hair color. The combination of its extracts prevents rapid dehydration of the hair, neutralizing the hair's negative charges and eliminating electrostatics How to use: Massage the shampoo all over the hair and leave on for 3 minutes. Rinse out