TLDR Microneedling mildly regrows hair in androgenetic alopecia but not in other types.
In an open-label trial, microneedling was evaluated for treating hair loss in 15 patients across different alopecia types: androgenetic alopecia (AGA), fibrosing alopecia, and alopecia areata (AA). Over six monthly sessions, the AGA group showed an average decrease of 9.6 points in SALT score, indicating some hair regrowth, while no significant changes were observed in the fibrosing and AA groups. Notably, the fibrosing group experienced changes in skin appearance, such as increased pinpoint bleeding. Further analysis of scalp biopsies is pending, suggesting that microneedling may have a mild effect on hair regrowth in AGA but not in the other subgroups.
January 2022 in “Springer eBooks” Platelet-rich plasma (PRP) is a promising treatment for hair loss, believed to extend the life cycle of hair follicles and prevent their shrinkage.
August 2021 in “Pharmacy Today” The document's conclusion about hair loss cannot be determined.
June 2021 in “International Journal of Research in Medical Sciences & Technology” 
June 2021 in “Elsevier eBooks” The document's conclusion cannot be summarized because it is not readable or understandable.
The article concludes that understanding the causes of hair loss and using continuous treatments like minoxidil and finasteride can help manage it, despite potential side effects.
68 citations
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January 2007 in “Journal of Cosmetic and Laser Therapy” Laser/light treatments for hair loss are popular but lack scientific data proving effectiveness.
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December 2000 in “Seminars in Cutaneous Medicine and Surgery” Laser and light treatments offer quick, long-lasting hair removal for large areas.
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January 1999 in “Hair transplant forum international” Hair transplant surgery can effectively treat hair loss in women.
