Medicube Collagen Night Wrapping Mask - Elasticity & Hydration Care A Luxurious Overnight Collagen Mask That Deeply Hydrates And Improves Skin Elasticity While You Sleep. Helps Reduce The Appearance Of Fine Lines And Wrinkles, Leaving Skin Plump And Radiant In The Morning. How To Use: Apply A Generous Amount As The Final Step In Your Nighttime Routine, Leave It Overnight, And Rinse Off In The Morning.