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. Key benefits: ul.kit li {list-style-type: disc; margin-left: 15px;} 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