Baiducao: The Herb for Treating Skin Diseases and Itching

　　The herb "Baiducao" is also known as "Shilongcao", "Yindouyao", "Baidaiyao", and "Baimafeng". It comes from the rhizome or whole plant of the fern plant Equisetum ramosissimum. It is mainly used t