Clinical and histological evaluation of microneedle fractional radiofrequency treatment on facial fine lines and skin laxity in Koreans

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Abstract

Background: Facial wrinkles and sagging are the most visible signs of aging and can cause profound distress. Microneedle fractional radiofrequency (MFR) is a minimally invasive procedure, which utilizes both microneedling and radiofrequency energy to rejuvenate the skin. Objective: To describe the safety and efficacy of a temperature-controlled MFR device on facial fine lines and laxity. Patients and Methods: A retrospective chart & histology review was performed on individuals who received bipolar MFR for facial rejuvenation. A total of 15 Koreans with a median age of 46 years were included. All participants underwent a single treatment session. The results were assessed objectively using serial photography and subjectively based on the participants' satisfaction scores. Histologic changes before, immediately after MFR and at 4 months follow-up was examined. Complications were also recorded. Results: Partially denatured collagen fibers and dermal shrinkage was observed immediately after MFR whereas an increase in elastin and collagen was noted at 4 months follow-up. 86.7% of recipients considered the results satisfactory. Consensus ratings by two independent dermatologists on the objective outcomes at 4-month follow-up were very much improved (53.3%), much improved (26.7%) and improved (20%). Treatment was well tolerated and did not cause any significant long-lasting discomfort. Conclusion: Temperature-controlled bipolar MFR is a minimally invasive treatment option to consider for facial fine lines and laxity via neo-collagenesis and neo-elastogenesis. The procedure was safe and clinically effective.

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APA

Suh, D. H., Cho, M., Kim, H. S., Lee, S. J., Song, K. Y., & Kim, H. S. (2023). Clinical and histological evaluation of microneedle fractional radiofrequency treatment on facial fine lines and skin laxity in Koreans. Journal of Cosmetic Dermatology, 22(5), 1507–1512. https://doi.org/10.1111/jocd.15614

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