Vitamin C (L-ascorbic acid) works to renew the eyes by lightening dark under eye circles, encouraging collagen and elastin production, reducing puffiness, diminishing fine lines and wrinkles, and protecting with potent antioxidants. C Eye Advance+ is specifically designed for use around the delicate under eye area, ensuring irritation-free use. The eye area is left smoother, healthier, brighter and more youthful.