19 citations
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March 2019 in “International Journal of Dermatology” The tattoo machine method safely delivers an average of 1,175 µg/cm² of medication into the skin.
January 2026 in “International Society of Hair Restoration Surgery” Tattoo machine-assisted drug delivery may improve hair growth in androgenetic alopecia.
August 2021 in “Journal of Investigative Dermatology” The technique effectively promotes hair growth in young men with androgenetic alopecia.
February 2025 in “JAAD International” Five monthly sessions of minoxidil-dutasteride-copper peptide tattooing significantly improve hair regrowth in men with androgenetic alopecia.
June 2022 in “Journal of Cosmetic Dermatology” Minimally invasive procedures may help with female hair loss but need more research and should be done by experts.