Hyaluronic Acid The Hyaluronic Acid Ampoule Mask is effective in moistening & nourishing the skin as hyaluronic acid ingredient & gold extract give a refreshed moisturizing feeling to the skin. As the mask sheet contains cypress leaf extract cinnamon extract soy bean phytoplacenta extract portulaca oleracea l. caviar extract & red ginseng extract it helps softly smooth the skin & create clean & healthy skin.