Want to know the secret to healthier-looking locks? Cue OLAPLEX's No. 4 Bond Maintenance Shampoo.Working into a luxurious lather that gently washes away impurities, this colour-safe hair hero deeply hydrates, moisturises and nourishes your mane. Powered by the brand's patented Bond Building Technology, it rebuilds the damaged bonds in your hair. Confused? Let us explain; in short, this cleanser works to strengthen tresses, prevent breakage and repair split ends. We're obtressed.A highly moisturising shampoo that nourishes, strengthens and repairs.Key benefits:- Repairs and maintains bonds within the hair- Eliminates frizz and flyaways- Reduces breakage PH Balance: 6-6.5A must-have for hair prone to split ends and breakages, the Olaplex No.4 Bond Maintenance Shampoo hydrates and nourishes hair as it cleanses. The shampoo uses patented bond-building technology to improve hair's manageability, softness and visible strength.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 and 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.