Free radicals are a major factor in premature aging. Vitamin C, a natural antioxidant, is able to detoxify these free radicals. When used in the morning under your sunblock, it helps to increase the potency of your sunblock. It appears skin is far less damaged if Vitamin C is applied before sun exposure, and it recovers more quickly from the sun damage after application. Vitamin C also helps the formation of collagen and elastin. This information leads us to assume a properly formulated Vitamin C can help to prevent and repair sun damage.