Xue Yu Tan

NamingXue Yu Tan (Crinis Carbonisatus)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of Xue YuOriginThe burning substance of human hair.LocationEverywhere.The actual smell and tasteScorched smell when burning and bitter taste.Best qualityBlack, lustrous and light.ProcessingCollected, pu