Numbuzin No.5+ Glutathione + Vitamin C Brightening & Glowing Concentrated Face Mask is a brightening sheet mask designed to target dullness, uneven skin tone, dark spots, and lack of glow. It helps revive tired-looking skin with a concentrated mask format that fits easily into a cleansing and toning routine. With regular use, it supports a clearer, more radiant-looking complexion while helping the skin feel refreshed, hydrated, and visibly smoother. This mask is ideal for skin that looks uneven, pigmented, dull, or stressed and needs a quick glow-boosting treatment.