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A Systematic Review of the Efficacy and Safety of Microneedling in the Treatment of Melasma.

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A Systematic Review of the Efficacy and Safety of Microneedling in the Treatment of Melasma.

Dermatol Surg. 2020 12;46(12):1636-1641

Authors: Wu SZ, Muddasani S, Alam M

BACKGROUND: Melasma is an acquired disorder of hyperpigmentation that is often recalcitrant to current therapies. Microneedling is used to treat scars, striae, and rhytides and has a relatively low risk of post-treatment dyspigmentation. Several studies have examined its use in melasma.
OBJECTIVE: To review the published evidence on the efficacy and safety of microneedling in the treatment of melasma.
METHODS: A systematic review was performed. A meta-analysis could not be performed because of methodological differences across studies and data heterogeneity.
RESULTS: Eight studies were included for analysis. Most studies assessed the utility of microneedling in combination with other topical therapies and detected some success. However, microneedling-mediated transdermal delivery of medications is not superior to microinjections of medications. There is less evidence supporting the use of microneedling as monotherapy. Microneedling, when used with a 1064-nm Q-switched Nd:YAG laser, may provide additional benefit, although with a risk of post-treatment dyspigmentation.
CONCLUSION: Based on low-quality evidence, microneedling may play a role in the treatment of melasma, with the mechanism of action likely being the facilitation of delivery of topical therapies to the epidermis and dermis, and one ancillary benefit of this approach being the very low risk of postinflammatory hyperpigmentation.

PMID: 32897944 [PubMed – indexed for MEDLINE]


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