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Ascorbic acid or as its more commonly referred to, Vitamin C, is one of the relatively few topical agents whose effectiveness against wrinkles and fine lines is backed by a fair amount of reliable scientific evidence. Unfortunately the practical use of Vitamin C in skin care presents some difficulties due to its lack of stability. If not stabilized during the manufacturing process, Vitamin C solutions undergo oxidation and become not only ineffective but also potentially harmful as oxidized Vitamin C may increase the formation of free radicals. Stabilized Vitamin C products are available and are usually very expensive, especially the ones concentrated enough to be effective.
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