Smaller doses for perioral treatment than for upper facial apps are employed given that the oral musculature responds far more strongly to the exact same BTX-A dosing. Just one preparation of botulinum toxin type B (MyoBloc®/NeuroBloc®) exists. Its sole indicator and FDA approval lies in treatments of cervical dystonia. https://jetonlinepharma.us/product-category/botulinum-toxins/