Lesser doses for perioral treatment than for upper facial apps are utilized since the oral musculature responds additional strongly to a similar BTX-A dosing. Only one preparation of botulinum toxin type B (MyoBloc®/NeuroBloc®) exists. Its sole sign and FDA approval lies in treatments of cervical dystonia. Dermatologists.org is actually https://jetonlinepharma.us/product-category/botulinum-toxins/