The Colour Shield Cleansing Mask from Christophe Robin is a gentle, low-foaming shampoo designed to be applied as a weekly deep treatment to extend the life of colour-treated hair.Enriched with camu camu berries, a rich natural concentrate of vitamin C, the formula protects hair while boosting hydration and shine. The pearlescent, ultra-conditioning formula respects hair's natural oils, leaving it feeling nourished with glossy radiance.