This bond-repairing shampoo uses Olaplex's patented technology with their hero formula Bis-Aminopropyl Diglycol Dimaleate to help strengthen dry, brittle and damaged hair that is prone to breakage. Colour-safe and sulphate free, this highly nourishing shampoo is proven to reduce breakage, leaving it feeling silky soft with a healthy, glass-like shine. This bond-repairing conditioner uses OLAPLEX’s famous patented technology Bis-Aminopropyl Diglycol Dimaleate, to hydrate and restore the hair whilst targeting split ends and breakages. Created for all hair types, especially those with weakened, damaged hair caused by recurrent chemical treatments, bleaching, colouring and thermal styling. Benefits of Olaplex No.4 Bond Maintenance Shampoo: Free of DEA, Aldehydes and Formaldehyde Suited to all hair types, especially those who require clarifying or oil control. Vegan and cruelty-free Gluten and nut free Paraben free, sulphate free and phthalates free Benefits of Olaplex No.5 Bond Maintena