A species of Asian tree whose fragrant fruit functions as a good skin-soothing agent in traditional Chinese medicine, an assertion which has been proven via topical application to human skin.
References for this information:
European Journal of Pharmacology, January 2007, pages 211-217
Journal of Dermatological Science, April 2006, pages 13-21
Planta Medica, October 2004, pages 904-908