Neurotoxin: A substance that acts to the anxious procedure, normally used in medicine for therapeutic or beauty reasons. On August 2, 2010, the US FDA declared the approval of incobotulinumtoxinA (Xeomin®) to the treatment of Grownups with cervical dystonia, to lower the severity of abnormal head posture and neck https://jetonlinepharma.us/product-category/botulinum-toxins/