Plant-based, phenolic antioxidant that is found in bran, among other plants.
Research has shown that it provides antioxidant benefits to skin while enhancing the stability of topical applications of antioxidant vitamins C and E. It also helps defend skin against environmental assault.
References for this information:
Food and Chemical Toxicology, March 2014, pages 185-195
The Journal of Nutritional Biochemistry, May 2012, pages 443-451
International Journal of Pharmaceutics, October 2010, pages 44-51
Journal of Clinical Biochemistry and Nutrition, March 2007, pages 92-100
Journal of Investigative Dermatology, October 2005, pages 826-832