The leaf has been shown in vitro to be potent antioxidant, while the seed oil is a good source of the fatty acid oleic acid and is chemically similar to the fats found in olive oil. It also has skin-soothing benefits.
References for this information:
Journal of Food Science, October 2012, issue 10, pages 1055–1057
Molecules, June 2012, issue 6, pages 6716–6727
BMB Reports, March 2012, pages 177–182
Journal of Ethnopharmacology, May 2007, pages 127–131
Journal of Cosmetic Science, January/February 2007, issue 1, pages 19-32