Goodal's Green Tangerine Vita C Serum Mask puts an unusual amount of active into a mask: niacinamide third, then arbutin, ascorbyl glucoside and pure ascorbic acid further down, with adenosine for lines. That is four separate approaches to uneven tone plus a wrinkle ingredient — a reviewer who keeps it on hand for a dull-looking face lists the function claims as brightening, wrinkle care and texture together.

Korean name: 구달 청귤 비타C 세럼 마스크
Size: 30ml / 1 sheet