A foil-backed sheet mask that creates a protective barrier, allowing potent technologies to penetrate fast and deep within skin's surface. Includes four masks. Firms and moisturizes skin. Brightens and evens skin tone. Formulated with ChronoluxCB™ technology. Dermatologist-tested.Non-acnegenic. Imported. Starting tonight, reset the look of your skin after the visible assaults of modern life with this innovative weekly treatment mask. Instantly, skin looks fresher, renewed. Our Worldwide First: PowerFoil. High-performance foil-backed sheet mask creates a protective barrier, allowing our potent technologies to penetrate fast and deep within skin's surface and helping to lock in moisture. 2X Hyaluronic Acid. Each treatment delivers a surge of liquid revitalization, immersing skin in a double dose of Advanced Night Repair Serum's powerful moisture magnet. Also includes our proven ChronoluxCB™ technologies. Experience an ultimate infusion of youthful moisture. Apply on clean skin, once a week at night. Remove mask, carefully unfold and apply bottom half first, then top half. Leave on for 10 minutes, then remove mask and gently massage in any remaining liquid.