17 citations
,
June 2016 in “Australasian Journal of Dermatology” Treatment with dutasteride, minoxidil, and artificial hair transplantation improved appearance but caused folliculitis.
43 citations
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December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.
13 citations
,
January 2013 in “Dermatologic Surgery” Experienced hair transplant surgeons suggest a limited number of hair follicles can be used for transplants, and recommend conservative methods to avoid scarring and depletion.
7 citations
,
January 2023 in “Anti-Cancer Drugs” Early diagnosis and treatment of EGFR inhibitor-induced folliculitis decalvans can prevent permanent hair loss.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Damaged hair follicle stem cells may leave the skin to help maintain youthfulness.
Hair follicle-like structures can form when specific hair cells are mixed and implanted in mice.
9 citations
,
May 2008 in “Journal of Clinical Oncology” A woman's ovarian tumor causing high testosterone was successfully removed, and her symptoms improved.
10 citations
,
January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
3 citations
,
August 2004 in “International journal of gynaecology and obstetrics” Finasteride doesn't change polycystic ovary size or cyst number, suggesting testosterone's role in their appearance.
September 2021 in “CRC Press eBooks” Lichen planopilaris causes permanent hair loss and scarring due to damage to hair follicles and can be mistaken for other hair loss conditions.
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.
1 citations
,
July 2009 in “Journal of dermatology” A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
15 citations
,
March 2016 in “The American Journal of Dermatopathology” Demodex mites rarely cause scalp infections leading to hair loss, but when they do, treatment is effective.
October 2023 in “Journal of the Endocrine Society” A woman's increased facial hair and hair loss were caused by a rare ovarian tumor, cured by surgery.
1 citations
,
June 2025 in “Journal of Clinical Medicine” Frontal fibrosing alopecia often occurs after menopause, with delayed diagnosis and possible links to certain medications and conditions.
Preserving intact follicular units improves hair transplant success.
1 citations
,
June 2017 in “Actas Dermo-Sifiliográficas” Follicular Unit Extraction (FUE) is a hair transplant method with less scarring and discomfort but requires skilled surgeons and has limitations on graft numbers per session.
January 2019 in “Elsevier eBooks” Pustules are pus-filled bumps often seen in skin conditions like acne and infections.
40 citations
,
March 2019 in “Pharmaceutical development and technology” Smaller particles of the drug carrier penetrated skin better, with 300 nm size being best for targeting hair follicles.
23 citations
,
July 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle bulge cells don't help skin regrow after glucocorticoid damage; interfollicular epidermis cells do.
February 2026 in “Cosmetics” Perifollicular elastolysis is poorly understood, with limited treatment options and inconsistent results.
November 2015 in “European journal of dermatology/EJD. European journal of dermatology” A 55-year-old woman with several health conditions did not see hair regrowth after a transplant.
36 citations
,
January 1994 in “Cell and Tissue Research”
January 2024 in “Skin appendage disorders” A man with follicular psoriasis got better after treatment with skin cream and allergy pills.
September 2025 in “Dermatology Online Journal” Biopsy is crucial for diagnosing unusual hair loss causes like lymphoma.
September 2021 in “Hair transplant forum international” Synthetic hair implants can cause infection and scarring, so safer options like follicular unit excision are recommended.
September 2024 in “Dermatology Reports” Sonidegib often causes hair loss, and LC-OCT helps identify early signs.
1 citations
,
April 1999 in “Dermatologic clinics” Cultured hair follicles need careful handling and respond well to growth factors.
3 citations
,
January 2002 in “Actas Dermo-Sifiliográficas” Excessive minoxidil use can damage hair structure.
7 citations
,
December 1971 in “Calcified Tissue Research” Hair follicles in injured skin can quickly accumulate minerals, especially calcium and phosphorus.