Brand from South Korea: ROYAL SKIN. When your finger tips are dry or finger nails are damaged or dried due to frequent manicure, this nail mask provides intensive nourishment to make your fingertips and finger nails hydrated and nourished. How to use: 1. Wash your hands thoroughly. Open the pack and put on the largest sheet on the thumb. 2. Put on the rest of the sheets on the other fingers according to the size. 3. After 10 to 15 minutes, remove the sheets, and pat around the nails to absorb remaining serum.