Estée Lauder Advanced Night Repair Concentrated Recovery PowerFoil Mask 1box, 4pcs Estée Lauder Advanced Night Repair Concentrated Recovery PowerFoil Mask has the following features:A true industry revolution, this innovative mask combines advanced technology with the 65 global award-winning Advanced Night Repair Serum. Starting tonight, reset the look of your skin after the visible stresses of modern life with this innovative weekly treatment mask. Instantly, skin looks fresher, renewed. Estée Lauder’s worldwide first high-performance foil-backed sheet mask creates a protective barrier, allowing potent technologies to penetrate fast and deep within skin's surface and helping to lock in moisture.Each treatment delivers a surge of liquid revitalization, immersing skin in nearly half a bottle's worth of Advanced Night Repair's exclusive ChronoluxCB™ and 2X Hyaluronic Acid. The first of its kind “” system features an inside matrix that releases the concentrated treatment, while the outside foil matrix helps seal in potent liquid and enhances penetration – 25X faster than a traditional cotton sheet mask. Provides long-lasting hydration for a week with each mask. Experience an ultimate infusion of youthful moisture.