Hi and thank you for posting your question here! Both Fraxel (which is a type of Fractional CO2 laser among many other more or less similar CO2 lasers) and Micropen (which again is just one of many microneedling devices available) with or without PRP are effective treatments for the acne scar, and the choice of one versus the other depends on many factors including individual patient’s characteristics and skin conditions, skin type, the acceptable down-time, and the budget. In reality one treatment may work better for one patient and another one might better serve the next patient. That being said, in general Fractional CO2 lasers such as Fraxel are stronger treatments, and patients are more likely to see results from one session of CO2 laser compared with one session of microneedling with PRP, but usually the cost and downtime is also a bit higher with the CO2 laser. For both treatments if you want to see great results, a number of sessions is recommended (usually fewer with Fractional CO2 laser). Additionally, please note that taking a holistic approach is usually the best bet to achieve great results, and while you can expect to see good improvements in your scars with either of these treatments, based on your picture you may also need some filler injections, to fill the deeper and depressed/pitted acne scars. I hope it helps and good luck!
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