While the demarcation involving the upper and lessen experience is somewhat arbitrary, the utility of botulinum toxin while in the reduce facial area is becoming progressively obvious. Even so, the clinical literature on use of botulinum toxin in the lessen facial area and neck is sparse with most publications https://botulinum-toxins39516.webbuzzfeed.com/36114982/botulinum-toxin-symptoms-fundamentals-explained