Attribute Value [Deep Nourishment and Repair] Using unique penetration technology, the Deep Collagen Mask penetrates deep into the skin's underlying layers, penetrating quickly to provide long-lasting nourishment and repair to the skin. The oligomeric hyaluronic acid in Our Bio-Collagen Deep Mask has a better hydrating effect than ordinary hyaluronic acid [Pore Tightening] Bio Collagen Face Mask Overnight maximizes skin penetration and absorption. Instantly reduces enlarged pores, improves skin elasticity and visibly smooth fine lines and wrinkles. It quickly moisturizes the skin's surface and penetrates deep into the skin to create a healthy, hydrated complexion [Overnight Repair & Rejuvenation] Designed for overnight use, Hydrating Overnight Face Mask works while you sleep to repair and rejuvenate your skin. Experience a noticeable improvement in skin elasticity and suppleness . After 3 hours, the collagen hydrogel mask sheet is absorbed into the skin, becoming transparent