| 摘要 |
<p>The invention is directed to topical formulations comprising plant extracts together with additional ingredients. The invention is further directed to use of the formulations in treating acne. In particular, the invention is directed to a topical formulation comprising Portulaca oleracea extract, Rheum palmatum extract, Chrysanthemum indicum extract and Scutellaria baicalensis root extract or its active ingredient Baicalin, together with nordihydroguaiaretic acid and oleanolic acid.</p> |
