3 citations
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January 2019 in “Indian Journal of Dermatology” Transverse scalp biopsy sections help diagnose different alopecias by showing hair follicle details and inflammation patterns.
7 citations
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January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry” 22 citations
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April 1972 in “Journal of Steroid Biochemistry” Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
12 citations
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September 1982 in “Journal of Investigative Dermatology”
33 citations
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March 2013 in “Journal of Investigative Dermatology” Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.
16 citations
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January 1998 in “Dermatology” Androgens may worsen a natural hair resting phase, possibly leading to hair loss.
42 citations
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February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
September 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Scientists successfully created fully functional hair follicles using bioengineering methods and stem cells.
TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.
January 2002 in “HAL (Le Centre pour la Communication Scientifique Directe)” The enzyme system in hair follicles is similar to the liver's and is inhibited by certain substances.
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Advancements in hair biology include new treatments and tools for hair growth and alopecia.
48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
2 citations
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January 2017 in “Przegla̧d dermatologiczny” Two trichoscopic patterns found in hair loss: diffuse fibrotic and androgenetic alopecia, affecting treatment choice and regrowth chances.
April 2018 in “Journal of Investigative Dermatology” FOL-005, a hair growth promoter, acts locally on mouse skin where injected and could be a promising hair loss treatment.
46 citations
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May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
3 citations
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February 2009 in “Chinese Journal of Traumatology (english Edition)” Human hair cells can be used to grow new hair on rat ears, suggesting a possible treatment for hair loss.
April 2018 in “Journal of Investigative Dermatology” Fgf20 is important for the development and regulation of the cells that form the base of hair follicles.
September 2017 in “Journal of Investigative Dermatology” The research concluded that hyaluronic acid affects the formation and growth of hair follicle-like structures in a lab setting.
27 citations
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March 2018 in “Biomaterials” Three specific proteins can turn adult skin cells into hair-growing cells, suggesting a new hair loss treatment.
1 citations
,
August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
77 citations
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July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
35 citations
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November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
64 citations
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March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
34 citations
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December 1991 in “Annals of the New York Academy of Sciences” Differences in enzyme activity and androgen receptors in hair follicles may explain why hair loss appears differently in men and women.
May 2017 in “Journal of the American Academy of Dermatology”
May 2013 in “Trends in Urology & Men's Health” Male-pattern hair loss is normal, often involves hormone effects on hair follicles, and can be treated with medication or surgery, but new treatments are being researched.
March 2026 in “Frontiers in Medicine” Different types of alopecia cause hair loss due to immune system issues, with some allowing regrowth and others causing permanent loss.
November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
24 citations
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April 2012 in “Developmental Biology” Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.