The ISOI Intensive Energizing Cream Core Elasticity Mask is a high-density tencel sheet mask designed to deliver deep skin nourishment and improve core elasticity, offering an all-in-one solution for elasticity, wrinkle reduction, whitening, and moisturizing. It promises potent special aesthetic care effects with just once-a-week usage, thanks to its 11 core elasticity ingredients, adenosine, and arbutin.