Vitamin E
Vitamin E represents two classes of molecules — tocopherols and tocotrienols. As the most-abundant lipid-soluble antioxidant in the body, vitamin E serves to prevent the production of cell-damaging free radicals. Sun exposure causes the skin to form harmful free radicals, which prematurely ages the skin. Topical application of vitamin E is known to boost the skin protection against free radicals generated after exposure to UV.