Brand from South Korea: ROYAL SKIN. Natural peppermint essence oil and Camellia Sinensis Leaf Extract nourish and moisturize rough foot skin intensively and peppermint-scented refreshing sensation relaxes stressed foot. How to use: 1. Wash your feet cleanly and dry them. Take out the Foot Mask and cut it along a dotted line and then wear them. 2. Give your feet a massage for ingredients to be absorbed into skin well. 3. Remove it after 15 to 20 minutes and let the remaining essence absorbed into skin gently.