Dry needling skills has been used in China as part of acupuncture skills for centuries or over one or two thousands years. In north China it is called "Gan Zhen"which the same name of "dry needling".   Every professional has it's own practice scopes. The insertion of Botox is very simple skills. However only a well trained medical doctor is allowed to use this skills.Same as dry needling, only a licensed acupuncturist has privileges to practice it!