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Review
. 2021 Jun 1;47(6):755-761.
doi: 10.1097/DSS.0000000000002972.

Radiofrequency Microneedling: A Comprehensive and Critical Review

Marcus G Tan  1 , Christine E Jo  2 , Anne Chapas  3 , Shilpi Khetarpal  4 , Jeffrey S Dover  5   6   7
Affiliations
Review

Radiofrequency Microneedling: A Comprehensive and Critical Review

Marcus G Tan et al. Dermatol Surg. .

Abstract

Background: Many studies have evaluated radiofrequency microneedling (RFMN) in various dermatologic conditions. However, the efficacy and safety of RFMN, and how it compares with other energy-based devices in a clinician's armamentarium, remains unclear.

Objective: To review higher-quality evidence supporting RFMN and the dermatologic conditions which it can be used in.

Materials and methods: A search was conducted in MEDLINE and EMBASE from inception to May 13, 2020, using the terms: "radiofrequency microneedling" OR "fractional radiofrequency" OR "radiofrequency needling" OR "radiofrequency percutaneous collagen induction." Only randomized, split body or blinded studies with original data on humans were included. Non-English or non-dermatology-related studies were excluded.

Results: Forty-two higher-quality studies were included after applying the inclusion and exclusion criteria. There were 14 studies for skin rejuvenation, 7 for acne scars, 6 for acne vulgaris, 5 each for striae and axillary hyperhidrosis, 2 for melasma, and 1 each for rosacea, cellulite, and androgenetic alopecia.

Conclusion: Radiofrequency microneedling is an effective intervention that can be used repeatedly and safely in combination with other treatment modalities and in individuals with darker skin phototypes. Radiofrequency microneedling-induced dermal remodeling and neocollagenesis are slow and progressive but continue to improve even 6 months after treatment.

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References

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