A must-have for hair prone to split ends and breakages, the Olaplex No.4 Bond Maintenance Shampoo intensively nourishes as it cleanses. The shampoo uses patented technology to target bonds, promoting stronger-looking hair with each wash. Ideal for hair that has been exposed to frequent colouring, bleaching, chemical treatments and heat styling, the shampoo delivers moisture without weighing your lengths down. Use daily or on every wash day as part of your Olaplex routine. Suitable for all hair types. Vegan.