Advanced Night Repair Synchronized Recovery Complex by Estee Lauder is a powerful nighttime renewal serum for radiant, youthful-looking skin. Not only does it instantly add radiance and intensely hydrate the skin but it also reduces the look of key signs of ageing. It also maximizes the power of skin’s natural nighttime renewal with its exclusive ChronoluxCB™ Technology. This serum has Hyaluronic Acid to help lock in moisture. It helps reduce lines and wrinkles making the skin look younger, more radiant and even toned.