OLAPLEX No.4 Strengthening Shampoo 525ml

Want to know the secret to healthier-looking locks? Cue OLAPLEX's No. 4 Strengthening Shampoo (525ml). With new and improved packaging, it works into a luxurious lather that gently washes away impurities. Perfectly suited for medium-coarse hair, this colour-safe hair hero deeply hydrates, moisturises and nourishes your hair. 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 hair, prevent breakage, and repair split ends. We're obsessed.