Redken Acidic Perfecting Concentrate Leave-In Conditioner is our most concentrated all-in-one formula for strength repair for all types of damaged hair. This conditioning leave-in treatment provides ultimate strength repair, intense conditioning and hair color fade protection. It's the final step in our 3-step Acidic Bonding Concentrate regimen.

Featuring Citric Acid, this leave-in conditioner contains a concentrated bonding care complex that reinforces weakened bonds within your hair to improve hair strength. This leave-in conditioner repairs strength in damaged hair, provides heat protection up to 450 degrees, tames frizz, adds shine and reduces hair breakage. 

This pH-balancing leave-in conditioner is specifically formulated with an acidic pH to defend against the negative effect of hair coloring, styling tools, and even water. The result? Hair that looks and feels healthy. 

Key benefits:

• 56% less breakage*
• 82% less visible split ends**
• 11x smoother hair**
• Heat protection up to 450° F
• pH balancing
• For all hair types and textures
• Ultimate repair, intense conditioning, and hair color fade protection
• Citric Acid, an alpha hydroxy acid, which helps reinforce weakened bonds

* When used as a system of Acidic Bonding Concentrate Shampoo and Conditioner vs. non-conditioning shampoo (L’Oreal Product Test: Date: August 7, 2020)

** When used as a system of Acidic Bonding Concentrate Shampoo, Conditioner and Leave-In Treatment vs. non-conditioning shampoo (L’Oreal Product Test :Date: August 6, 2020)

***When used as a system of Acidic Bonding Concentrate Shampoo, Conditioner and Leave-In Treatment vs. non-conditioning shampoo (L’Oreal Product Test :Date: