Jumiso First Skin-Brightening Sheet Mask Review K-beauty regime is incomplete without sheet masks right! They are loaded with nourishing serum that goes deep into the skin to give you a quick dose of hydration. This First skin-Brightening Sheet Mask from Jumiso is perfect to treat your skin with. If you are looking for a quick dose of rehydration, nourishment to make your dull looking face glow after a long tiring day at work, or to get a smooth hydrated base that stays hydrated for a glass skin kinda look, this sheet mask will save you from a lot of hard work.