vitamin E

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Categories:
Vitamins , Antioxidants

What is vitamin E?

Considered an antioxidant superstar. It is one of the most well-known and researched antioxidants, both when taken orally and when used in skin-care products. If there were an antioxidant hall of fame, vitamin E would likely be its inaugural member (though do not take that to mean it is the "best" antioxidant—there isn't a best, just lots of great, extremely helpful options). It is fat-soluble and available in various forms, with the most biologically active being alpha-tocopherol.

How does vitamin E benefit skin

  • Protecting the epidermis from early stages of ultraviolet light damage
  • Increasing the efficacy of active sunscreen ingredients
  • Reducing the formation of free radicals upon skin exposure to UVA rays and other sources of skin stress
  • Preventing the peroxidation of fats, a leading source of cell membrane damage in the body
  • Reducing transepidermal water loss from skin and strengthens the skin's barrier function
  • Protecting the skin barrier's oil (lipid) balance during the cleansing process
  • Reducing the severity of sunburn

Using vitamin E

There are eight basic forms of the whole vitamin E molecule, which are either synthetically or naturally derived. The most typical forms are d-alpha-tocopherol, d-alpha-tocopherol acetate, dl-alpha tocopherol, and dl-alpha tocopherol acetate. The "d" designation in front of the "alpha" indicates that the products are derived from natural sources such as vegetable oils or wheat germ. The "dl" prefix shows that the vitamin has been created from a synthetic base. Research has shown that natural forms of vitamin E have more potency and a higher retention rate than their synthetic counterparts but both definitely have antioxidant significance (Source: American Journal of Clinical Nutrition, April 2003, pages 899-906; and Federation of European Biochemical Societies, October 16, 1998, Pages 145-148.)

Vitamin E itself is a fascinating antioxidant, but select companies have begun using tocotrienols, a segment of vitamin E's eight distinct components (alpha-tocopherol, beta-tocopherol, gamma-tocopherol, delta-tocopherol, alpha-tocotrienol, beta-tocotrienol, gamma tocotrienol, and delta-tocotrienol). There is research showing tocotrienols are more potent than other forms of vitamin E for antioxidant activity (Source: Journal of Nutrition, February 2001, pages 369S–373S; and Annals of the New York Academy of Sciences, Issue 1,031, 2004, pages 124-142), but the research centered on large doses of oral tocotrienols, animal studies, or in vitro (test tube) studies. Tocotrienols in general appear to further enhance barrier function and modulate growth (Source: Free Radical Biology and Medicine, February 2003, pages 330-336). It has been shown that, at least in animal studies, the body has systems in place for regulating where the various forms of vitamin E go, and it is believed that each segment has its role in protecting various cells, be they brain, lung, or skin (Source: Journal of Lipid Research, April 1996, pages 893-901). Food sources of tocotrienols include palm, barley, and rice bran oils.

Vitamin E for scars

What about using pure vitamin E for scars? High amounts of pure vitamin E can be a problem, while low amounts can be a helpful addition when mixed with other skin-healing ingredients. Research published in Dermatologic Surgery, April 1999, pages 311–315, concluded that the "...study shows that there is no benefit to the cosmetic outcome of scars by applying [pure] vitamin E after skin surgery and that the application of topical vitamin E (such as what you may squeeze from a vitamin E pill) may actually be detrimental to the cosmetic appearance of a scar. In 90% of the cases in this study, topical vitamin E either had no effect on, or actually worsened the cosmetic appearance of scars. However, as many dermatologists will attest, many patients believe vitamin E prevents or reduces the appearance of scars, thus its usage and anecdotal results continue (Source: Canadian Family Physician, July 2006, pages 855–856). In addition, smaller amounts of vitamin E can exert antioxidant effects without the risk of contact dermatitis high amounts present. In that sense, vitamin E can be a helpful addition to skin-healing products.

Additional sources for the information above: International Journal of Immunopathology and Pharmacology, July-September 2005, pages 497-502; Experimental Dermatology, September 2005, pages 684-691; International Journal of Biological Macromolecules, July 2005, pages 116-119; Skin Pharmacology and Physiology, January-February 2005, pages 20-26; The Journal of Investigative Dermatology, February 2005, pages 304-307; Journal of Cosmetic Dermatology, January 2005, page 4; Photochemistry and Photobiology, April 1993, pages 613-615; Nutrition and Cancer, Volume 16, Issues 3-4, 1991, pages 219-225; and www.naturaldatabase.com.

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About the Experts

Paula Begoun is the best-selling author of 20 books on skin care and makeup. She is known worldwide as the Cosmetics Cop and creator of Paula's Choice. Paula's expertise has led to hundreds of appearances on national and international television including:

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The Paula's Choice Research Team is dedicated to helping you find the absolute best products for your skin, using research-based criteria to review beauty products from an honest, balanced perspective. Each member of the team was personally trained by Paula herself.

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