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