Ideal for all hair types that experience excess product buildup, excess oil, or those living in areas with hard water. 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. Deep cleanses for vibrant color clarity and soft, shiny hair. Protects hair by removing heavy metals, minerals, chlorine, pollutants, and product buildup and thereby allows for optimal performance of your hair repair routine. Non-stripping and non-drying. Sulfate free and Ph Balanced to maintain hydration. Ingredients Water (Aqua/Eau), Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Hydroxysultaine, Sodium Lauroyl Glutamate, Coco-Betaine, Disodium Laureth Sulfosuccinate, Acrylates Copolymer, Cocamidopropyl Betaine, Cocamidopropylamine Oxide, Sodium Methyl Oleoyl Taurate, Decyl Glucoside, Bis-Aminopropyl Diglycol Dimaleate, Sodium Lauryl Sulfoacetate, Phenoxyethanol, Coco-Glucoside, Lauryl Glucoside, Chlorphenesin, Panthenol, Trisodium Ethylenediamine Disuccinate, Ethylhexylglycerin, Sodium Benzoate, Polyquaternium-11, Benzoic Acid, Sodium PCA , Pentasodium Triphosphate, Sodium Lactate, Arginine, Aspartic Acid, PCA, Citric Acid, Glycine, Alanine, Serine, Valine, Isoleucin, Proline,Threonine, Histidine, Phenylalanine, Fragrance (Parfum), Citral, Hexyl Cinnamal, Limonene. pH: 5.8-6.8 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. For best results, follow up with Nº.5 Bond Maintenance® Conditioner or Nº.8 Bond Intense Moisture Mask for extra moisture. Safe for permanent hair color. We recommend waiting at least 2 weeks after the hair color service to preserve the color deposit. Please check with your stylists when using a clarifying shampoo on color-treated hair.