Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Redken - Colour Extend Shampoo by Redken Save $-25.00 $25.00 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available A sulphate-free conditioning and cleansing shampoo for colour treated hair that gently strengthens hair from root to tip.