Fortify hair and lock in colour with this hair retinol. The first defense against age-related changes it prevents and corrects the signs of ageing much like a retinol does for your skin. Containing advanced shampoo-activated colour seal technology plus UV absorbers to keep colour protected and vibrant for longer - all before you get out of the shower. With fortifying complex to reduce hair breakage by 85% after one use, it helps maintain hair density by reducing breakage from styling damage. 177ml