Provide intensive care to dull skin with the vitamin c brightening mask. The sheet mask contains rich, natural ingredients that help illuminate and revitalize the skin. The vitamin c mask hydrates, brightens, energizes, and reveals yoCleanse skin and remove mask from packaging. There is total 2 layers of face mask, take down the white pearl film, spread the silk mask out and apply carefully onto the face, resting on the face for 15-20 minutes. Take off the mask and gently pat the face, excess serum can be applied to neck, shoulder and hands Warning: For external use only, please keep out of reach of children, avoid placing it in direct sunlight, please keep it in a cool and dry place. Avoid direct contact with the eyes. If contact occurs, rinse with water.uthful skin with a dewy glow in just 15 minutes.