Dermal essence mask is a essence mask which specially formulates cosmetics to penetrate highly concentrated active ingredients into the skin while keeping air out of the skin completely thus, it makes your tired skin moistened, elastic, clear and relieves your skin from stress, use 3 ~ 4 times per week. Gold essence mask contains colloidal gold which provides human metabolism and skin cell activity. It keeps your tried skin caused by daily stresses all the more healthy and bright all day long. It includes colloidal gold and collagen which keeps your tried skin always healthy and elastic. - easy to use. How to use - after cleaning, dry face and soothe your face with toning water. - take out the mask sheet from the pack and unfold it. - first, gently apply the mask sheet around your eye part and then fit your face contours. - leave on for 15~20 minutes. - peel off the mask sheet and tab the remaining collagen essence over your face until it completely absorbs to your skin. - recommended to use before sleep to attain more benefits.