MARY&MAY Advanced Brightening & Firming Sheet Mask (30-Pack) Transform your skincare routine with this comprehensive 30-sheet mask collection, designed for daily use with professional-grade results. Each mask delivers a potent blend of actives: 2% Niacinamide strengthens your skin barrier while locking in hydration, Vitamin C targets dark spots and uneven tone for a luminous complexion, and a specialized elasticity complex firms skin and diminishes fine lines. The convenient daily format requires minimal effort—simply apply and let the concentrated serum work its magic. Skin emerges refreshed, hydrated, and visibly revitalized with improved resilience and a smoother, more youthful appearance. Includes hygienic storage case for optimal freshness throughout the month.