What Else You Need to Know: Experience the next generation of Estée Lauder’s revolutionary formula—the most comprehensive Advanced Night Repair serum ever. Patented until 2033, and now with Chronolux™ Power Signal Technology, this 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. Over time, pores look diminished. This formula is shown to be effective for all skin tones.