Some By Mi Yuja Niacin 30 Days Blemish Care Serum Mask is a brightening sheet mask infused with Yuja extract, niacinamide, arbutin, and glutathione to target dullness, dark spots, and post-acne pigmentation. The highly concentrated essence penetrates deeply to restore luminosity, even skin tone, and improve texture, while antioxidant-rich ingredients protect against environmental stressors. Lightweight yet deeply nourishing, the mask enhances hydration, reduces the appearance of blemishes, and leaves the skin visibly clearer, smoother, and more radiant after each application, promoting a healthier and revitalized complexion over time.