Brand from South Korea: Isntree. A set of gauze sheet masks that utilize the soothing qualities of mugwort extract to comfort and soothe sensitive skin.isntree Spot Saver Mugwort Gauze Mask With 45% of Ganghwa Injin Mugwort Extract to soothe sensitive skin quickly. Contains 10 kinds of essential ingredients to give skin less burden. Helps with oil-water balancing. Moisturizes for dry and sensitive skin. Strengthens skin self-growing ability. The gauze mask made in cross hole patterns let the skin breathe for a comfortable and hygienic experience. How to use: 1. After cleansing, take out the mask and place on the face correctly. 2. Leave on for 10-20 minutes then gently tab the remaining essence until they are all absorbed.