Green Tangerine VITA-C Dark Spot Care Serum MaskThe upgraded version provides 10 times more VITA C brightening effect than the old version, which is equivalent to the 30ml of the same brand and the same series of essences. The skin texture of the skin is light and moisturizing essence, which instantly penetrates the skin. HOW TO USE: Gently apply the mask on the face, take off the mask after 10 20 minutes, and gently pat the remaining essence on the skin