A daytime antioxidant serum delivers the maximum amount of pure vitamin C to the skin for environmental protection

Formulated at the precise concentration proven to deliver maximum amounts of vitamin C to the skin, Serum 20 AOX+ is designed to restore and protect healthy looking skin. This lightweight and fast-absorbing serum neutralizes free radicals, defends against environmental damage, and helps prevent the appearance of accelerated aging. Helps reduce the appearance of fine lines and wrinkles, neutralizes free radicals, and defends against environmental damage Using Duke-patented vitamin C technology, this serum delivers the highest level of L-ascorbic acid that can be absorbed by the skin Once absorbed, this serum can't be washed or rubbed off. It remains effective for a minimum of 72 hours, making it an excellent step in your skincare routine