Redken Acidic Bonding Curls Leave-In Hair Treatment is a powerhouse solution formulated specifically for damaged curls needing intensive care. Infused with 16% citric acid and advanced Curl-Bond Technology, this silicone-free treatment works from within to repair, strengthen, and protect curls while enhancing their natural pattern. Designed for professional use or as part of a high-performance home regimen, this leave-in treatment delivers heat protection up to 230°C, making it the ideal prep for styling tools. With up to 96 hours of shine and definition, curls remain soft, frizz-free, and easy to manage. It also improves detangling, making hair care simpler for clients with coiled or textured hair. Powered by Curl-Bond Technology with citric acid, urea, and glycine Strengthens curls from the inside while enhancing curl pattern Provides up to 96 hours of defined, shiny curls Heat protection up to 450°F / 230°C Silicone-free and safe for colour-treated curls 91% improvement in detangling; 12x easier to manage How To Use: Use after Acidic Bonding Curls Shampoo and Conditioner Apply to clean, damp hair—do not rinse Style as usual Avoid contact with eyes; rinse immediately if contact occurs Whether for in-salon use or retail support, this leave-in treatment elevates every curl care routine with restorative hydration, improved elasticity, and long-lasting frizz control.