Specially designed for hair weakened by frequent colouring, bleaching, heat styling and chemical treatments, the Olaplex No.5 Bond Maintenance Conditioner nourishes and hydrates hair without weighing it down. n Powered by patented Olaplex Bond-Building Technology, the best-selling conditioner minimises the appearance of split ends, damage and flyaways to leave hair looking softer and shinier. Lightweight and colour-safe, the formula provides optimum conditioning for improved manageability and a glossy shine.