Contains high-concentration VC derivatives, 4 types of VC and grapefruit seed extract, brightens & reduces dullness, tightens pores, improves uneven skin tone & roughness; alcohol-free & fragrance-free formula, gentle & skin-friendly, safe for sensitive skin; high-adhesion mask cloth fits face, essence absorbs quickly, 3-minute brightening & firming, ideal for daily care or emergency use before makeup, leaves skin bright & delicate with long-term use.