October 2022 in “Skin appendage disorders” This study found that isolated scalp microneedling did not improve scalp coverage or hair density in male pattern hair loss patients, with no adverse events reported.
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March 2019 in “International Journal of Dermatology” In this study, researchers measured that the MMP drug delivery technique administered approximately 1,175 μg/cm² of medication into the dermis of human skin, but these findings are specific to the experimental protocol used.
August 2021 in “Journal of Investigative Dermatology” The technique effectively promotes hair growth in young men with androgenetic alopecia.
January 2023 in “Indian Dermatology Online Journal” This article reviews the indications for micropigmentation in dermatological conditions like stable vitiligo and alopecia, but presents no new clinical results.
May 2023 in “JAAD international” This study evaluated the clinical outcomes of using tattoo equipment to deliver a combination of minoxidil and dutasteride directly to the scalp over three sessions for treating male androgenetic alopecia, but results are not reported in the abstract.