More compact doses for perioral treatment than for upper facial apps are applied because the oral musculature responds much more strongly to precisely the same BTX-A dosing. Only one planning 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/