The Nº.4C Bond Maintenance Clarifying Shampoo, infused with patented OLAPLEX Bond Building Technology is our exclusive Broad-Spectrum Clarifying System. The Nº.4C Bond Maintenance Clarifying Shampoo removes damaging impurities from the surface of the hair without stripping or drying. BENEFITS Nº.4C Bond Maintenance Clarifying Shampoo deep cleanses for vibrant color clarity and soft, shiny hair. Nº.4C Bond Maintenance Clarifying Shampoo protects hair by removing heavy metals, minerals, chlorine, pollutants, and product buildup and thereby allows for optimal performance of your hair repair routine. Nº.4C Bond Maintenance Clarifying Shampoo is non-stripping and non-drying. Nº.4C Bond Maintenance Clarifying Shampoo is Sulfate free and Ph Balanced to maintain hydration. HOW TO USE Dispense desired amount of product into hands and emulsify. Apply to wet hair, focusing on the scalp and working through to ends. Lather fully and leave on for up to 5 minutes. Rinse.