Lesser doses for perioral treatment than for upper facial programs are employed given that the oral musculature responds a lot more strongly to the identical BTX-A dosing. Only one preparation of botulinum toxin type B (MyoBloc®/NeuroBloc®) exists. Its sole sign and FDA acceptance lies in treatments of cervical dystonia. https://jetonlinepharma.us/product-category/botulinum-toxins/