Interaction of vitamins C and E as better cosmeceuticals

Research output: Contribution to journalReview articlepeer-review

80 Scopus citations

Abstract

Although many cosmeceutical formulations contain vitamin C and/or vitamin E, very few are actually effective in topical application. First because there is only a low concentration, second because the stability is compromised as soon as the product is opened and exposed to air and light, and third because the form of the molecule (an ester or a mixture of isomers) is not absorbed or metabolized effectively by the skin. However, when a stable formulation delivers a high concentration of the nonesterified, optimal isomer of the antioxidant, vitamins C and E do indeed inhibit the acute ultraviolet (UV) damage of erythema, sunburn, and tanning as well as chronic UV photoaging and skin cancer. Both are highly effective depigmenting agents. Topical vitamin C also increases collagen synthesis in both young and old fibroblasts. Because vitamin C regenerates oxidized vitamin E, the combination in a cosmeceutical formulation is synergistic - particularly in UV protection.

Original languageEnglish
Pages (from-to)314-321
Number of pages8
JournalDermatologic Therapy
Volume20
Issue number5
DOIs
StatePublished - Sep 2007

Keywords

  • Topical antioxidants
  • UV protection
  • Vitamin C
  • Vitamin E

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