Brand new in box. FIGHTS KEY SIGNS OF AGING. THE #1 REPAIR SERUM.* Powerful nighttime renewal serum for radiant, youthful-looking skin. Instantly adds radiance. Intensely hydrates. Advanced Night Repair significantly reduces the look of key signs of aging. Maximizes the power of skin's natural nighttime renewal with exclusive ChronoluxCB™ Technology. Includes anti-oxidants, plus Hyaluronic Acid, nature’s “moisture magnet,” to help lock in moisture. Patented until 2033.