Fast Visible Repair and Youth-Generating Power. Experience the next generation of our revolutionary formula—the most comprehensive Advanced Night Repair serum ever. Patented until 2033. Now with Chronolux™ Power Signal Technology, this deep- and fast-penetrating face serum reduces the look of multiple signs of aging caused by the environmental assaults of modern life. Skin looks smoother and less lined, younger, more radiant and even toned.