Bencao Index https://bencaoindex.com/ https://bencaoindex.com/herbs/bo-he-nao/ 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/bo-he-nao/">Bencao Index</a> bo he nao 薄荷脑 Mentholum menthol