As you can see, sheet masks are getting more and more popular all around the world now— though in Korea and Asia they have been part of normal skincare routine for a long time. Sheet masks came originally from South Korea, the top country of skincare and beauty products. Today I would like to share some facts about sheet masks and review of TonyMoly's great masks. What is a sheet mask? A sheet mask is a face-shaped mask which is soaked in concentrated serum . They are usually made of fabric or gel and they contain important ingredients to skin like vitamins, hyaluronic acid and plant extracts . They are individually packaged , for one use and really convenient — you don't have to rinse it off afterwards like normal face masks. Why are they used? They are used for example to moisturize, smooth, clear, refine and heal your skin — simply to make your skin more beautiful and healthier. In Korean skincare routine they are often used after serum and ampoule treatments t...