April 2024 in “Dermatologic surgery” Microneedling at a depth of 0.5 mm is the most effective single treatment for hair loss among the tested depths.
September 2025 in “PubMed” Combining microneedling with drugs and stem cells shows promise for improving hair growth in androgenetic alopecia.
2 citations
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September 2022 in “Dermatologic therapy” Microneedling helps reduce hair-pulling and promotes hair regrowth in trichotillomania patients.
53 citations
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January 2014 in “Journal of Cutaneous and Aesthetic Surgery” Microneedling combined with triamcinolone can safely stimulate faster hair regrowth in people with Alopecia Areata.
2 citations
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August 2011 in “Dermatologic Surgery” Small micropunches for hair transplants can increase density but may cause more bleeding and longer healing.