An Open Label Trial Evaluating the Use of Microneedling in Hair Loss

September 2024 in “ Journal of the American Academy of Dermatology ”

Danielle Peterson, Lucy Liu

microneedling androgenetic alopecia fibrosing alopecia alopecia areata SALT score scalp biopsy AGA AA

TLDR Microneedling mildly regrows hair in androgenetic alopecia but not in other types.

An open-label trial with 15 patients evaluated microneedling for hair loss, dividing participants into subgroups of androgenetic alopecia (AGA), fibrosing alopecia, and alopecia areata (AA). Over six monthly sessions, AGA patients showed an average 9.6 point decrease in SALT score, indicating mild hair regrowth. No significant SALT score changes were observed in fibrosing and AA groups, though fibrosing alopecia patients exhibited increased pinpoint bleeding. Further scalp biopsy analysis is pending to determine additional effects.

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