Clay clay mask for radiance and evenness. The Brightening Mask with Vitamin C by Mario Badescu reveals a fresh and radiant complexion. The unique formulation contains a vitamin C derivative, which is rich in antioxidants and known for its stability and boosting collagen formation. The mask dissolves impurities and ensures even skin tone and a finer texture. The result is impressive: a smooth and soft complexion. Application: Apply a thin layer to cleansed skin, avoiding the eye area. Leave it on for 5-10 minutes and then rinse off thoroughly with warm water. For optimum results, use the mask 2-3 times a week. Note: Rinse thoroughly with water if in contact with the eyes.