Microneedling in Androgenetic Alopecia: Comparing Two Different Depths of Microneedles

September 2020 in “ Journal of Cosmetic Dermatology ”

Gita Faghihi, Samin Nabavinejad, Fatemeh Mokhtari, Farahnaz Fatemi Naeini, Fariba Iraji

microneedling androgenetic alopecia minoxidil needle depth hair growth hair count hair thickness 0.6mm needles 1.2mm needles 1.5mm needles 2mm needles Rogaine

From the encyclopedia

Microneedling →

technique to create small wounds in skin to activate collagen production and hair growth

Minoxidil →

An essential vasodilator with some anti-androgenic effects

Studysummary In this study, microneedling with a depth of 0.6 mm, alongside minoxidil, significantly improved hair count and thickness in patients with androgenetic alopecia compared to minoxidil alone, and was more beneficial than a 1.2 mm depth.

Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer

Microneedling can promote hair growth in androgenetic alopecia, with deeper microneedling resulting in greater improvement. Combining microneedling with minoxidil resulted in even greater hair growth. The optimal needle depth for microneedling is still uncertain, and more research is needed to determine the best protocol. Microneedling with 0.6mm needles combined with minoxidil was found to be more effective than 1.2mm needles in increasing hair count and thickness for treating androgenetic alopecia in a study of 60 participants. Microneedling at both 1.5mm and 2mm depths can improve hair growth in androgenetic alopecia, but the 2mm depth showed greater improvement in hair density and thickness.

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