A must-have for hair prone to split ends & breakages, the Olaplex No.4 Bond Maintenance Shampoo hydrates & nourishes hair as it cleanses. The shampoo uses patented bond-building technology to improve hair's manageability, softness & visible strength. Ideal for hair that has been exposed to frequent colouring, bleaching, chemical treatments & heat styling, the shampoo delivers moisture without weighing your lengths down & helps to protect against future breakage. Use daily or on every wash day as part of your Olaplex routine. Suitable for all hair types. Vegan.