April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
April 2021 in “Aktuelle Dermatologie” Frontal Fibrosing Alopecia is a type of hair loss that mainly affects postmenopausal women, has unclear causes, and lacks evidence-based treatments.
June 2023 in “Dermatopathology” A woman had a unique skin growth with hair follicle, oil glands, fat cells, spindle cells, and nerve fibers.
July 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” TGF-β is found in hair follicles and may cause hair loss in alopecia areata.
46 citations
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May 2006 in “Laser Physics” Particles similar in size to hair cells penetrate hair follicles better.
May 2022 in “Portuguese Journal of Dermatology and Venereology” Hair-follicle transplants can heal chronic skin ulcers.
10 citations
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
September 2025 in “Brazilian Journal of Health Review” Early diagnosis and less aggressive hair care improve outcomes for Black women with frontal fibrosing alopecia.
3 citations
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April 2016 in “International Journal of Dermatology” A young man was diagnosed with trichoepitheliomas, causing thick skin and hair loss.
November 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Inflammation plays a key role in male and female pattern hair loss, and focusing on this could help develop better treatments.
May 2022 in “Dermatologic therapy” Combining PRP with follicular transplantation improves vitiligo treatment better than follicular transplantation alone.
38 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Understanding normal hair follicle development helps analyze abnormalities in mutant mice.
November 2025 in “Journal of Investigative Dermatology” PCFCL may have unrecognized subtypes and needs more research.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
72 citations
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October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
14 citations
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January 2006 in “Australasian journal of dermatology” Alopecia areata can look like frontal fibrosing alopecia, making diagnosis hard.
1 citations
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April 1998 in “PubMed” Combining anti-androgenic, anti-inflammatory, and anti-fibrotic treatments may improve hair loss outcomes.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking a key energy pathway in human hair follicles can trigger stress responses that stop cell growth.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
August 2019 in “Journal of the American Academy of Dermatology” Frontal fibrosing alopecia may be caused by an autoimmune reaction and hormonal imbalance.
November 2025 in “Skin Appendage Disorders” Fibrosis contributes to hair loss in androgenetic alopecia, and targeting it may improve treatment.
January 2024 in “Journal of Cosmetic Dermatology” Men's and women's pattern hair loss progress differently, with men showing more hair thinning and women having more widespread hair loss.
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.
June 2022 in “IP Indian journal of clinical and experimental dermatology” A woman had a rare, non-cancerous skin growth on her face, which was removed and did not come back after a year.
January 2010 in “Journal of Yangzhou University” Sulfated fucans promote hair growth in mice by speeding up the growth phase and delaying the rest phase.
2 citations
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May 2022 in “The journal of immunology/The Journal of immunology” BST2 protein and certain T cells increase in early alopecia areata.
March 2013 in “Revista Brasileira de Cirurgia Plástica” Using platelet growth factors can improve hair density in transplants, especially for those with fine hair.
November 2012 in “Annales de Dermatologie et de Vénéréologie” Frontal fibrosing alopecia can occur in children, not just postmenopausal women.