Botulinum toxin is a poison with neurotoxic effects. The venom effectively blocks the transmission of signals via neurotransmitters through the nervous system to the muscles. This leads to paralysis of the muscles, especially the chewing muscles in any disease. Actively used for skin rejuvenation and restoration. It is a toxin, like any poison, but it has high biological activity. This weapon is widely used in the treatment of diseases, including glaucoma, keratitis, and astigmatism. Preparations in the form of eye drops called “Botox” are widespread in the world of cosmetology, often used by women to eliminate early wrinkles, since these drugs have the ability to smooth out skin creases without deep damage.