Botulinum toxin can spread to some distance of 30–45 mm in the injected muscles to your adjacent muscles, whether or not these muscles are separated by fasciae. Neck muscles are susceptible to diffusion of botulinum toxin, and paralysis of the incorrect muscles contributes to dysphonia, dysphagia or dystonia. Gentle https://botulinum-toxins98405.wikisona.com/1572524/the_smart_trick_of_how_toxic_is_botulinum_toxin_that_nobody_is_discussing