Brand from Japan: Quality First. A concentrated whitening care mask that draws out a sense of transparency with the effects of quick-acting raw vitamin C, super vitamin C (APPS), water-soluble vitamin C derivative, and ascorbic acid.By encapsulating 4 types of vitamin C into nanocapsules, we have achieved both quick penetration and long-lasting effect, and improved quickness, durability, and efficiency.How to use:Please use it on your skin after washing your face.Can use it morning and night.Remove the mask from the bag and unfold it.Align the sheet with your eyes first, then align the sheet with your mouth, then fit it over your entire face.Remove the mask after about 3 minutes and gently wipe it off.