Want to know the secret to healthier-looking locks? Cue OLAPLEX's No. 4 Bond Maintenance Shampoo (100ml).

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.