November 2025 in “The Journal of Immunology” BTNL2 helps protect hair follicles from immune attacks, which could aid in treating alopecia areata.
March 2023 in “Revista médica Clínica Las Condes” The study suggests a possible increase in androgen receptors in patients with frontal fibrosing alopecia, but more research is needed.
15 citations
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March 2021 in “Journal of Nanobiotechnology” A new method was developed to grow and maintain human hair follicle stem cells for hair reconstruction.
12 citations
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May 2003 in “Journal of dermatological science” Hsc70 protein may influence hair growth by responding to androgens.
10 citations
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July 2019 in “Advances in Wound Care” Reducing Flightless I protein improves wound healing by activating skin stem cells.
9 citations
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August 2018 in “Biomedical dermatology” A peptide called DPS-1 helps human scalp cells grow and stimulates hair growth in mice.
Encapsulating hair follicle cells in a special gel boosts their activity.
April 2016 in “Journal of Investigative Dermatology” Boosting HGF signaling could improve the creation of hair follicles in lab-made skin.
16 citations
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July 1996 in “Journal of Investigative Dermatology” 
August 2023 in “JAAD Case Reports” A woman with lupus experienced hair regrowth after treatment, but hair transplantation is not advised for her condition.