Alpha-Tocopherol + Ascorbic Acid

Efficacy of a novel treatment serum in the improvement of photodamaged skin (2013)

Comparing the moisturizing effects of ascorbic acid and calcium ascorbate against that of tocopherol in emulsions (2006)

Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin (2005)

UV photoprotection by combination topical antioxidants vitamin C and vitamin E (2003)

Topical melatonin in combination with vitamins E and C protects skin from ultraviolet-induced erythema: a human study in vivo (1998)