Lesser doses for perioral treatment than for higher facial programs are employed as the oral musculature responds a lot more strongly to the exact same BTX-A dosing. Only one preparing of botulinum toxin type B (MyoBloc®/NeuroBloc®) exists. Its sole indication and FDA approval lies in treatments of cervical dystonia. https://jetonlinepharma.us/product-category/botulinum-toxins/