The stability of topical vitamin E may be increased by the use of vitamin E conjugates, which are esters of tocopherol, resistant to oxidation but can still penetrate skin layers.Īlthough many cosmeceuticals contain vitamins C and E, very few are actually effective in topical application because the stability is compromised as soon as the product is opened and exposed to air and light. Vitamin E, occurring naturally in food in the form of α-Toc oxidizes slowly when exposed to air. Stability of vitamin E depends on its form, dl-α-Toc acetate being the most stable.102100001891 Cancer/testis antigen 1 Human genes 0.000 description 3.Once GPR profiles were acquired, downloaded and imported into Sandmeier REFLEX-Win v.8.2.2 processing software, processing steps were applied.
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