Hengli Hengli Botulinum Toxin is a legal botulinum toxin in China, which has passed CFDA certification and is produced by Lanzhou Biological Products Co., Ltd. Its main component is botulinum toxin type A, the production strain is Clostridium botulinum type A Hall strain with high toxicity, and the auxiliary materials are sucrose, dextran and gelatin. It can block the control of nerves on muscles, relax over-contracted muscles, and then achieve the effect of wrinkle removal and slimming, and it is very safe.