Would dermapen be more effective at tightening loose skin rather than a radio-frequency treatment?

Frankly, your question couldn't be more timely. The key findings reported just this very month (Cochrane Database Syst Rev. 2016 April 3,4)  from a rigorous, meta-analysis review of the medical literature on acne scar treatments were summarized as follows: "There is lack of high-quality ...

Your #healing will continue for 2-3 months following the procedure(s) as the #scars will be evolving. If my patients have concerns that something is unusual about their healing process, it is important for them to call the office and discuss these concerns or come in to be examined. Also some...

My patients rarely itch.  I suggest posting photos and seeing an expert for treatment. Best, Dr. Emer.

In my practice we do a combination approach to get best results.  I do microneedling/PRP And laser on many younger patients for aging prevention, scarring requires much more aggressive approach in most cases.  Best, Dr. Emer.

You need a formal evaluation for a combination approach for scarring.  I find ematrix not effective, if you wanted RF it would be venus via.  However, with your skin type fraxel or co2 resurfacing, microneedling, fillers and TCA cross would make a huge difference.  Best, Dr. Emer.