The acidic pH-balancing formula works by restrengthening the hair back to its healthiest pH [pH 4.5-5.5], sealing in the cuticle, so your colour is locked in and protected from external aggressors that contribute to colour fade. The conditioner's ultra-nourishing properties smooth each strand from root to tip, helping hair feel hydrated for up to 72 hours after a single use**.  

With Redken's revolutionary Acidic Shine Complex, you can now level up your colour-service by leaving your clients with a red-carpet like shine. Inspired by Redken's iconic Shades-EQ, the Complex is formulated with a blend of amino acids and conditioning agent's that deposit glossing molecules across the hair for glass-like shine. With every application achieve shine that not only looks but feel healthy, with hair feeling hydrated for up to 72 hours**.  

*when using full system

**based on consumer test - Acidic Color Gloss system of shampoo & conditioner