No.4C Bond Maintenance Clarifying Shampoo - OLAPLEX No.4C Bond Maintenance Clarifying Shampoo deep cleanses to reveal your healthiest hair and clear the way for your other products to work better. The Broad-Spectrum Clarifying System removes damaging product buildup, excess oil, hard water minerals, chlorine, even heavy metals and pollution.BenefitsAiry volume & softnessAllure 2022 Best of Beauty Award WinnerImproved results from your hair repair routineSulfate-free & pH balanced to maintain hydrationRestored shineOLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacyAll Hair TypesKey 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 WithoutParabenSiliconeFormaldehydeDEASulfate - No.4C Bond Maintenance Clarifying Shampoo