A deeply cleansing yet gentle and color-safe clarifying shampoo that removes heavy metals, hard water minerals, chlorine, pollutants, product buildup, and excess oil that can cause dull, discolored hair. No.4C helps revive soft, vibrant hair without leaving it dry. Use it weekly or as needed to hit the reset button on healthy-looking hair. TEST RESULTS Results With One Use *Results achieved by cleansing with N°.4C Bond Maintenance Clarifying Shampoo, conditioning with N°.5 Bond Maintenance Conditioner, and applying N°.9 Bond Protector Nourishing Hair Serum to damp hair before styling. *Results achieved by cleansing with N°.4C Bond Maintenance Clarifying Shampoo, conditioning with N°.8 Bond Intense Moisture Mask, and applying N°.9 Bond Protector Nourishing Hair Serum to damp hair before styling. USAGE RESTRICTIONS Avoid contact with eyes. Designed to be used weekly in place of your regular shampoo, the Olaplex No.4C Bond Maintenance Clarifying Shampoo delivers a deep cleanse. The formula uses an advanced broad-spectrum clarifying system to remove a wide array of impurities, including hard water minerals, chlorine, heavy metals and product build-up, while resisting stripping or drying out hair. Supported by patented Bond Building Technology™, the shampoo leaves hair feeling touchably soft and optimally prepped for the next steps in your Olaplex routine. Suitable for all hair types. Vegan. 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 TechnologyTM 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