The Olaplex No. 5 Leave-In Moisturize & Mend Leave-In Conditioner is a high-performance, time-saving treatment designed for daily care of dry, damaged or color-treated hair. Crafted in a rich yet lightweight gel-cream texture, it harnesses Olaplex’s signature Bond-Building Technology® to rebuild broken hair bonds from the inside out, helping restore strength and resilience. Simultaneously, its high-adhesion sealing complex instantly smooths and seals split ends, while advanced moisturizing agents deliver continuous hydration and boost manageability. The formula also offers up to 450 °F (232 °C) heat-protection, making it ideal for styling routines. Safe for all hair types, vegan and color-safe, this leave-in conditioner leaves your hair softer, healthier-looking and visibly revitalized with each use.