Heat quencher

Published: Sunday 30 September 2001

Addition of antioxidants such as vitamins E or C to sunscreen lotions can help prevent skin cancer. A university of Illinois, usa -based researcher, Kerry Hanson, found that the stratum corneum -- the skin's main protective barrier -- generated a tremendous number of free radicals when exposed to ultraviolet light, causing considerable damage to both the cytoplasm and the lipid matrix . Vitamin C was found to be the best free radical quencher among the three antioxidants examined: vitamin E acetate, vitamin E alcohol and sodium ascorbyl phosphate (stable vitamin C).

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