No. 4C Bond Maintenance Deep Clean Clarifying Shampoo - NO 4C BOND MAINT CLRFYG SHAM 250FLOZBenefitsAiry volume & softnessRestored shineImproved results from your hair repair routineSulfate-free & pH balanced to maintain hydrationAll Hair TypesAllure 2022 Best of Beauty Award WinnerOLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacyKey IngredientsBroad-Spectrum Clarifying System- Removes a wide range of impurities that damage hair.Bis-Aminopropyl Diglycol Dimaleate - Patented OLAPLEX Bond Building Technology that's scientifically proven to repair damage by relinking broken disulfide bonds.Formulated WithoutSulfateParabenSiliconeDEAFormaldehyde - No. 4C Bond Maintenance Deep Clean Clarifying Shampoo