Botulinum toxin can distribute to your distance of thirty–forty five mm from your injected muscles towards the adjacent muscles, even when these muscles are divided by fasciae. Neck muscles are vulnerable to diffusion of botulinum toxin, and paralysis of the incorrect muscles contributes to dysphonia, dysphagia or dystonia. Mild https://botulinum-toxins08405.wikinewspaper.com/3860424/everything_about_botulinum_toxin_mechanism_of_action