| DERMATOLOGY | PEER-REVIEW
remodelling. Collectively, these results can explain the effects of the MRF device on both scarring and active acne lesions.
Conclusions Treatment of acne and post-acne scars is considered a significant challenge in the field of aesthetic services in general, and in patients with darker skin in particular. The technology of microneedling with fractional RF might be a good step forward owing to efficacy and safety of the procedure in all skin types. Different mechanisms of action of this technology have been proven, such as new collagen synthesis shown in the histopathological studies mentioned earlier (others are still in the phase of speculation). However, a number of studies are ongoing to clarify further mechanisms of action, as well as further indications. The authors are currently studying the effect of MRF in stretch marks alone and in combination with topical
Key points
■ MRF is a method of skin treatment associated with high efficacy and safety profile
■ Split-face comparative studies between fractional CO2
and MRF
showed the same degree of efficacy with both modalities, but less down time with the MRF
■ More studies are underway to evaluate the MRF in other indications and the initial results seem to be promising
hyaluronic acid to evaluate its efficacy. In addition, the authors are conducting a study on enlarged pores to evaluate the efficacy of MRF. Both studies have had very good initial outcomes. The authors are now in the follow-up phase to evaluate the long-term efficacy of MRF.
Declaration of interest None Figures 1–3 © Ashraf Badawi
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