Experience the next level of colour care with Redken's Acidic Colour Gloss Shampoo - a groundbreaking sulphate-free formula designed to enhance shine and maintain a balanced pH for long-lasting colour vibrancy. 

This innovative shampoo helps preserve colour and shine for up to 32 washes*, while its acidic pH, infused with amino acids and vitamin E, seals the cuticle and locks in brilliance, leaving hair 72% shinier in just one use**. For best results, pair with the Acidic Colour Gloss Conditioner and Heat Protection Leave-In Treatment.  

*Based on a self-perception study with 51 hairdressers after 32 applications of the shampoo and conditioner on coloured hair.  
**Instrumental test comparing hair washed with Acidic Colour Gloss Shampoo & Conditioner vs. unwashed hair.

Benefits:
- Protects colour vibrancy and shine for up to 32 washes*
- Acidic pH formulas seal cuticle + lock in shine​ for 72% shinier hair in 1 use**
- Sulphate-free cleansing​ 
- Hair looks & feels revitalized instantly