Get ready for a deep dive into gorgeously glossy hair. The Christophe Robin Colour Shield Cleansing Mask is essentially a weekly shampoo mask treatment to give your hair colour depth and luminosity. Its creamy formula deeply cleanses, nourishes and leaves hair glossy and radiant. This deeply nourishing and intensive conditioning treatment from Christophe Robin is intended for use once weekly as a deep treatment to prolong the vibrancy of colour-treated hair. With an extremely gentle, low-foaming formula and creamy pearlescent texture, your hair oils and colour are protected, so you can expect vibrant, radiant locks day after day.