Olaplex is leading the way in the hair industry with its bonding technology which helps to repair your chemically damaged hair. Formulated with Olaplex’s patented ‘bond building’ technology, the Olaplex No.4 Bond Maintenance Shampoo helps to restore, protect and strengthen your locks. It’s sulfate-free and is infused with hydrolyzed wheat proteins and Olive Fruit Oil which fortify fragile strands and help ...