Discover the transformative power of Redken's leave-in hair treatments, scientifically formulated to deliver targeted benefits and provide ongoing protection for all hair types. Whether you're wondering "how to use hair leave-in treatment" or "what is leave in conditioner," our collection offers versatile solutions for various hair concerns, from heat protection and detangling to frizz control and repair. Acidic Bonding Concentrate Leave-In Treatment strengthens and repairs all hair types, offering heat protection up to 450° and reducing breakage for healthier, more resilient hair. Acidic Color Gloss Leave-In Treatment helps maintain color vibrancy and shine while smoothing the cuticle for enhanced light reflection. For deep hydration, All Soft Moisture Restore Leave-In Treatment with Hyaluronic Acid replenishes moisture and softness, leaving hair smooth and manageable. If you're aiming for longer, stronger hair, Extreme Length Leave-In Treatment fortifies and protects against breakage while promoting healthy growth. Finally, One United Leave-In Treatment provides multi-benefit care with 25 benefits in one lightweight formula, addressing a wide range of concerns including heat protection and detangling. Redken understands that different hair types and concerns require specific solutions, so we've developed a comprehensive range of treatments to address everything from fine and thin hair to thick and coarse hair, and from color-treated to damaged hair. Ready to experience the transformative power of leave-in treatment? Take the Redken Hair Quiz to discover the ideal leave-in conditioner and treatment regimen for your specific hair type and concerns. Plus, maximize your hair care results and savings by bundling your favorite products together – enjoy 10% off when creating your complete hair care system.