eBay

Level up your colour-care and activate glass-like shine up to 3-days* using Redken's Acidic Color Gloss. *Consumer test using full system.
Citric Acid brings hair back to its healthiest pH [4.5-5.5], sealing the cuticle to protect your colour from fading
Use conditioner after shampoo, rinse. Use Gloss Treatment weekly and apply conditioner after rinsing for moisture.