27 citations
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May 2010 in “Dermatologic surgery” This study found that photodynamic therapy with methyl 5-aminolevulinic acid was ineffective for treating alopecia totalis, even with microneedle rolling to enhance drug delivery.
19 citations
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October 2020 in “Biomedical Microdevices” This review discusses the use of derma rollers for cosmetic purposes and their potential in transdermal drug delivery by summarizing evidence on their design, efficacy, safety, and concerns from preclinical and clinical reports.
131 citations
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May 2015 in “Experimental Dermatology” This review explores the development and cosmeceutical applications of microneedles for skin treatment, without reporting new clinical results, emphasizing safety and public perception as key factors for commercialization.
January 2023 in “International journal of dermatology, venereology and leprosy sciences” This study suggests that microneedling may be an effective and less painful treatment for vitiligo, offering benefits over traditional needle injections, particularly in challenging-to-treat areas like the extremities or stubborn regions.
6 citations
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June 2013 in “Toxicological Research” This study found that topical valproate has minimal potential to cause skin irritation, suggesting it can be applied safely to human skin.