Concentrating an entire 52ml bottle of the iconic Bichup Ultimate Recovery Youth Serum into a single mask, combined with two powerful anti-aging ingredients—10% high-concentration NAD Power24™ and NMN—this mask provides dual-layer repair from the epidermis to the dermis. It meets the comprehensive needs of facial and neck skin, offering antioxidant protection, anti-aging benefits, and lifting and firming effects.