Restriction of medicine needs to be done by legislature. If you want to see restrictions you need to talk to those who make law.Otherwise the scope of practice of medicine is unrestricted and once licensed providers can practice medicine in a way they feel fit.Much of this is then caveat emptor ...
Yes, mesotherapy is safe. But you need to do it with a well trained aesthetic physician as they are aware of the danger zones that need to be avoided. The amount of session you need usually depends on how severe your case is.
Your condition might be caused by multiple factors like volume-less,...