Product Details This is a Beyond Beauty product which means it has been sourced tried and tested and finally declared one of the most new and innovative heroes out there. OLAPLEXs highly moisturising reparative No. 4 Bond Maintenance Shampoo leaves hair easy to manage shiny and healthier with each use. N°4 is colour-safe sulphate-free and proven to reduce breakage and strengthen all types of hair. The formula repairs and maintains bonds within the hair while eliminating frizz and flyaways and reducing breakage. How To Use 1. Apply and massage product throughout hair. 2. Rinse product from hair. 3. Follow with OLAPLEX N°5 Bond Maintenance Conditioner (sold separately). Full Ingredients Water (Aqua/Eau), Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Hydroxysultaine, Potassium Cocoyl Glycinate, Disodium Cocoyl Glutamate, Sodium Lauroyl Sarcosinate, Potassium Cocoate, Decyl Glucoside, Glycereth-26, Bis-Aminopropyl Diglycol Dimaleate, Cocamidopropylamine Oxide, Disodium Laureth Sulfosu