All sales are final for this item. No returns please!Lanza Ultimate Treatment Chelating Shampoo is an extra-gentle, color-safe formula that is sulfate-free and contains natural Gugo Bark to create rich, abundant lather. It quickly removes metallic build-up, hard water minerals, chlorine and other impurities. In place of synthetic EDTA as a chelating agent, this shampoo uses only natural Phytic Acid derived from rice ...making it extremely effective, yet mild and safe for color-treated hair.