Christophe Robin Purifying Mask with Thermal Mud, 250 ml, Hair Masks for Women, The Christophe Robin Purifying Mask with Thermal Mud hair mask is an essential step in your hair care ritual. Give it a moment to regenerate and it will repay you with vitality and beauty. Characteristics: protects against harmful environmental effects goes deep into the hair fibre hair is soft to the touch Ingredients: vegan product How to use: Leave to act as instructed on the packaging, then rinse thoroughly.