Type of squash that is a very good source of antioxidant cartenoids and vitamin E. Pumpkin seed extract and pumpkin seed oil are also a great source of essential fatty acids (including linoleic acid) and zinc. It's an excellent non-fragrant plant extract to see in cosmetics.
References for this information:
Journal of Food Science, June 2012, issue 6, pages C653-657
Natural Product Research, September 2011, pages 1524-1539