Potent forms of vitamins E that are considered stable and powerful antioxidants, as well as skin-soothing agents. These forms of vitamin E are usually derived from rice bran or wheat germ.
References for this information:
Journal or Agricultural and Food Chemistry, June 2010, pages 7,013–7,020
Journal of Nutritional Science and Vitaminology, April 2008, pages 117–123
Asia Pacific Journal of Clinical Nutrition, Volume 12, 2003, pages 355-362