No.4C Bond Maintenance Clarifying Shampoo - BenefitsImproved results from your hair repair routineSulfate-free & pH balanced to maintain hydrationAllure 2022 Best of Beauty Award WinnerAll Hair TypesVeganRestored shineAiry volume & softnessKey IngredientsBis-Aminopropyl Diglycol Dimaleate - Patented OLAPLEX Bond Building Technology that's scientifically proven to repair damage by relinking broken disulfide bonds.Broad-Spectrum Clarifying System- Removes a wide range of impurities that damage hair.Formulated WithoutParabenSulfateDEAFormaldehydeSilicone - No.4C Bond Maintenance Clarifying Shampoo