14 citations
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October 2018 in “PloS one” Deleting the Far2 gene in mice causes sebaceous gland issues and patchy hair loss.
March 2025 in “International Journal of Trichology” FAPD in children may not depend on androgens and should be treated with anti-inflammatory measures and minoxidil.
December 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair removal with intense pulsed light can cause rare skin lesions that are hard to fully treat.
3 citations
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December 2003 in “Archives of Pathology & Laboratory Medicine” The nodule was a benign cutaneous lymphadenoma, not cancer, and was successfully removed.
January 2016 in “Japanese Journal of Oral & Maxillofacial Surgery” A benign hair follicle tumor caused upper lip swelling, was removed, and did not return.
Laser hair removal may cause skin changes that prevent hair regrowth.
13 citations
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January 2012 in “Dermatology” Eruptive vellus hair cysts are rare, benign skin lesions that are hard to treat.
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.
1 citations
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January 2022 in “Indian dermatology online journal” Fine needle aspiration with rapid on-site evaluation is useful for diagnosing pilomatrixoma.
8 citations
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January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
25 citations
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April 2008 in “Clinical and experimental dermatology” EFFC might be common but underreported.
1 citations
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August 2018 in “Journal of the American Academy of Dermatology” A young woman developed facial bumps before hair loss, which is unusual for her condition.
October 2025 in “Journal of the Endocrine Society” A rare ovarian tumor was found in a young woman with a genetic fat disorder.
July 2022 in “British Journal of Dermatology” September 2025 in “British Journal of Dermatology” 32 citations
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May 1999 in “Biochemical and Biophysical Research Communications” A new enzyme, BSSP, is found in high amounts in the hair follicles of nude mice.
1 citations
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July 2016 in “British Journal of Dermatology” Men with a certain type of hair loss often use facial moisturizers, and a specific antibiotic treatment may help another hair condition.
16 citations
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May 2011 in “The Journal of clinical investigation/The journal of clinical investigation” Some skin tumors may start from hair follicle stem cells.
10 citations
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November 1964 in “Zentralblatt für Veterinärmedizin Reihe A” Benign epithelial tumors in dogs don't spread or become cancerous.
2 citations
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January 1990 in “PubMed” Perforating folliculitis is a skin condition with small bumps that may be linked to other diseases and is hard to treat.
14 citations
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May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
14 citations
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July 2015 in “Journal of Cosmetic Dermatology” Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
9 citations
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June 2017 in “Journal of Cutaneous Pathology” People with pemphigus vulgaris and pemphigus foliaceus often have smaller sebaceous glands on their scalp.
7 citations
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January 2020 in “Dermatology online journal” An adult with a rare skin condition improved with tazarotene treatment.
June 2022 in “Indian Dermatology Online Journal” A man with total hair loss developed blackhead-like spots on his scalp, possibly because no hair was present to help drain oils.
The chapter concludes that certain skin diseases in bovines cause symmetrical, non-painful lesions and temporary hair loss due to stress.
October 2024 in “GE Portuguese Journal of Gastroenterology” Unexplained excessive hair growth can signal underlying cancer and often indicates a poor prognosis.
January 2024 in “Skin appendage disorders” A man with follicular psoriasis got better after treatment with skin cream and allergy pills.
February 2024 in “Cureus” Pilomatrixoma should be considered for nodular lesions in adults.