Brand from South Korea: Dr. Jart+. An intense brightening sheet mask that gets rid of dullness.Ultra-fine microfiber sheet mask for whitening and soothing. Formulated with glutathione, niacinamide and alpha-bisabolol to brighten complexion. How to use: 1. After washing your face, prep your skin with skin toner. 2. Take out the sheet mask and remove the film. 3. Place it onto your face. 4. Leave it for 10-20 minutes and remove the sheet mask. 5. Gently pat to let the skin absorb the remaining essence.