Botulinum toxin can distribute to a distance of 30–45 mm in the injected muscles on the adjacent muscles, even if these muscles are separated by fasciae. Neck muscles are susceptible to diffusion of botulinum toxin, and paralysis of the wrong muscles results in dysphonia, dysphagia or dystonia. Mild and https://jetonlinepharma.us/product-category/botulinum-toxins/