药物一般都采自动植物或矿物,然而也有的竟来自人体本身。头发头发中含有大量的角质蛋白,经加工后,可成为乌黑光亮、体轻质脆、犹如海绵状的炭化物,称为血余炭。它具有止血化瘀的功效,可缩短出血和凝血的时间,用于治疗鼻出血与尿血等,还能利尿。此外,从头发中可提取18种氨基酸,如胱氨酸、精氨酸等,可用于制造治疗肝病、肿瘤、肠胃病、高血压的药物。 Drugs are usually taken from plants or minerals. However, some of them come from the body itself. Hair hair contains a lot of keratin protein, after processing, it can become dark and light, body light and brittle, like a sponge-like charred, known as blood charcoal. It has the effect of hemostasis and phlegm, can shorten the bleeding and coagulation time, for the treatment of epistaxis and hematuria, but also diuretic. In addition, 18 kinds of amino acids, such as cystine and arginine, can be extracted from the hair and can be used for the manufacture of drugs for treating liver diseases, tumors, gastrointestinal diseases, and hypertension.