Olaplex No.4 bond maintenance shampoo 250ml frequent colouring, bleaching, chemical treatments and heat styling Can leave your hair feeling brittle, dry and prone to breakage. The Olaplex No.4 bond maintenance shampoo boasts Olaplex patented technology that finds and re-links broken disulphide bonds in the hair, repairing damage while strengthening the hair structure. This nourishing shampoo is perfect for coloured or damaged hair types, as it helps to increase moisture levels and enhance shine for a salon-quality glossy finish. The colour safe formula helps to preserve the quality of your colour to prevent fading and oxidisation. The gently cleansing shampoo removes the build-up of dirt, excess oils and hair products to leave your hair feeling clean and silky soft. Discover the restorative powers of Olaplex and maintain healthy hair at home with this hair saviour shampoo! Finally. The cult hair Treatment is finally available with a matching shampoo. Take home an ultra-reparative shampoo that strengthens and nourishes with Olaplex No.4 bond maintenance shampoo. Protects and repairs damaged hair, split ends and frizz by re-linking broken bonds. A highly-moisturizing, reparative shampoo that leaves hair easy to manage, shiny and healthier with each use.