10/10 recommend
Common treatment areas include the forehead, the glabellar lines between the brows (moderate to severe frown lines), crows feet around the eyes, the lips, platysmal bands, masseters, and the chin
Your B12 injection treatment includes health assessment, professional injection administration, post-treatment monitoring, and guidance on optimal treatment frequency
References Double-blinded comparison of diphenhydramine versus lidocaine as a local anesthetic The objective of this study was to evaluate the efficacy, onset of action, duration of action, and side effects of 1% diphenhydramine compared with 1% lidocaine when used as a local anesthetic agent
The exact concentration is not publicly specified in the same way compounded vials are labeled because the pen handles all measurement internally