Glamfox Rice Niacinamide Brightening Moisturizing Sheet Mask Korean x 5 NEW Boxed This Korean mask provides extreme hydration for dehydrated skin. Should be used for normal to dry skin but is suitable for all skin types. Focusing on: Niacinamide: this phenomenal ingredient is game changer to help build cells in the skin while also protecting them from environmental stresses, such as sunlight, pollution, toxins & treat acne. How to use: 1) Wash and dry your face thoroughly. Apply mask on face and gently smooth into place. 2) Relax and leave on for 10-20 minutes. 4) Remove mask and gently massage your face until the essence is fully absorbed.