Rejuvapen vs SkinPen. Which is better and why?

Hello, 
I have used all 4 of the microneedling devices.  I feel that I have had better results with the Revapen.  I also think that it depends on the experience that the Physician or Nurse doing the treatment also helps.  I would consult with all offices and see their before and after photos.  
Best wishes to you,

Micro-needling motorized devices are basically the same.  Variables include the number of needles per head piece, the depth of needling and the speed setting.  Adding platelet rich plasma to the skin prior to the procedure should improve results.  Several sessions (usually more than two) are required to produce noticeable results albeit subtle. 
Different degrees of acne scarring require more aggressive treatments which may include but are not limited to resurfacing LASER, radio-frequency treatments, fat, Bellafill, Sculptra injections and the gold standard fo patients who are willing to undergo several days of redness (Dermabrasion or Phenol peel).
More than one treatment modality is typically required to obtain significant improvement in acne scarring.
Please consult in person with an experienced Board Certified Plastic Surgeon prior to making treatment decisions.