Bencao Index https://bencaoindex.com/ https://bencaoindex.com/herbs/rou-gui-you/ Free to use and republish with visible attribution and a link back to the source page. The catalogue is a reference work and is knowingly incomplete; nothing in it is medical advice. <a href="https://bencaoindex.com/herbs/rou-gui-you/">Bencao Index</a> róu guì yóu 肉桂油 Oleum Cinnamomi cassia bark oil