Simply put, the ability of the skin to make antioxidants is limited. In addition, only a limited amount of these substances can be delivered to the skin by the circulatory system even in the face of a generous dietary intake. It thus makes sense to supplement the skin's natural antioxidant defenses by applying large quantities of these products directly to the surface of the skin. Limited but growing experimental evidence suggests that this approach does have a protective value. There are many substances which are being studied as potential topical antioxidants.
Vitamins are among the favorites.
You can expect to hear more about this in the future. Issues relating to safety, availability, cost and ease of formulation are important considerations. Watch this space for the newest developments in this rapidly developing field. All rights reserved. Reproduction in whole or in part in any form or medium without express written permission of DermDigest is prohibited.