Olaplex No.5 Bond Maintenance Conditioner This potent, lightweight and restorative conditioner is a dream on damaged hair of all types and textures - whether you've gone too hard on the bleach, or hit the hair straighteners with a bit much vim and vigour, it'll suss you out. With the same Olaplex Bond Building chemistry, the Olaplex No.5 Bond Maintenance Conditioner is highly concentrated. It improves hair hydration, while it offers nourishing ingredients that also help to repair damage to the internal bonds of your hair that cause signs of damage. Your hair is left feeling softer, with a shinier, healthier-looking finish. Designed to improve the hair's overall manageability.