Powered by patented bond-building technology and exclusive Broad-Spectrum Clarifying System, the Olaplex No.4C is an advanced clarifying shampoo that delivers a powerful deep cleanse, removing product build-up and impurities for visibly healthier hair. The rich lather removes hard water minerals, chlorine, excess oils, heavy metals and pollutants after one use without stripping. The non-drying formula is sulfate-free and pH balanced to maintain hydration, leaving hair soft and shiny with vibrant clarity. Formulated with patented Olaplex Bond-Building Technology™ to maintain strong hair bonds. Exclusive Broad-Spectrum Clarifying System removes hard water minerals, chlorine, excess oils, pollutants and product build-up after one use Formulated with patented Olaplex Bond-Building Technology™ to maintain strong hair bonds Rich lather deeply cleanses to restore shine and softness Non-drying formula leaves hair soft and shiny with vibrant clarity Sulfate free, silicone free, pH balanced & Vegan friendly Key benefits: Exclusive Broad-Spectrum Clarifying System helps remove damaging impurities, excess oil and product build-up in one use Patented Olaplex techology helps maintain hair's health and strength Restores volume, shine and colour vibrancy Non-stripping, non-drying formula Directions for Use 3 way to use:1. Pre-treat: Cleanse with Olaplex No.4C Bond Maintenance Clarifying Shampoo prior to in-salon services or treatments.2. Deep Cleanse: Cleanse with Olaplex No.4C Bond Maintenance Clarifying Shampoo. For additional hydration, follow with Olaplex No.5 Bond Maintenance Conditioner.3. At-Home Maintenance: Use Olaplex No.4C Bond Maintenance Clarifying Shampoo weekly as part of an at-home cleansing routine.