OLAPLEX Broad Spectrum Chelating Treatment removes harmful particles without damaging hair. Its potent Vitamin C cleans the scalp and provides antioxidant protection from pollution and free radical damage. It allows better penetration and efficacy of all chemical services. Promotes vibrant color and consistent lightening results. Restores natural shine, softness, and manageability. It’s clinically proven to remove 98% of buildup with one use. The Chelating Treatment is ideal for anyone who lives in an area with hard water and well water or who has moderate to major build that could compromise service results. For the best possible penetration of any salon service, ask your hairdresser for an OLAPLEX Broad Spectrum Chelating Treatment beforehand! *Product used once*