A plant used in Chinese medicine for a varitety of ailments. Some research has shown this extract to have skin-soothing and antioxidant properties. There is no research showing extracts of this plant have any benefit when applied to skin. It does contain glucoside and polysaccharide, but whether these can affect skin through topical application of the extract is unknown.
References for this information:
British Journal of Pharmacology, December 2000, issue 7, pages 1285-1293