Loss of oil glands and inflammation might contribute to the development of scarring hair loss.
7 citations
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March 2018 in “Asian-Australasian journal of animal sciences” OCIAD2 and DCN genes affect hair growth in goats by having opposite effects on a growth signaling pathway and inhibiting each other.
30 citations
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September 2000 in “Journal of Dermatological Science” Fatty acid composition in human skin, mouth, and hair cells varies with keratinization, and cultured cells show essential fatty acid deficiency.
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June 1970 in “Journal of Investigative Dermatology” 85 citations
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January 1991 in “Journal of Investigative Dermatology” 73 citations
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January 2016 in “International review of cell and molecular biology” Cornification evolved from keratinization in vertebrates, with differences between mammals and sauropsids.
19 citations
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December 2016 in “PLOS ONE” Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.
9 citations
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December 2021 in “Molecules” Certain compounds in three Polynesian plants may help hair growth.
24 citations
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March 1996 in “Postgraduate Medical Journal” Most women with hirsutism in the UAE have polycystic ovary syndrome (PCOS).
January 2024 in “Diagnostic cytopathology” Trichilemmal carcinoma can spread to the parotid gland and be diagnosed using fine-needle aspiration cytology.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
13 citations
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July 1973 in “Archives of dermatology” Tight cornrow braids may cause hair loss.
7 citations
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January 2013 in “Indian dermatology online journal” A rare skin condition with dark, thick, warty patches and some hair loss was found in a newborn boy.
15 citations
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March 2015 in “Australasian Journal of Dermatology” Seborrhoeic dermatitis may cause a condition called "seborrhoeic folliculitis," leading to chronic scalp inflammation and scarring hair loss.
26 citations
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April 1977 in “PubMed” Minoxidil, a blood pressure drug, can cause excessive hair growth, but this can be successfully treated with a hair removal agent called calcium thioglycolate.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
September 2023 in “Journal of the American Academy of Dermatology” Children with alopecia areata, especially with Down syndrome or thyroid issues, should be screened for thyroid disease.
10 citations
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August 2003 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Actinic superficial folliculitis is a unique skin condition caused by intense heat and sweating.
April 2026 in “JOJ Dermatology & Cosmetics” Skin issues in PCOS signal hormone problems, and combined treatments improve outcomes.
Hirsutism is excessive male-pattern hair growth in women, often treated cosmetically or with hormone therapy if contraception is also desired.
January 2015 in “Kölner Universitäts PublikationsServer (Universität zu Köln)”
April 2019 in “Journal of Investigative Dermatology” Increasing COX-2 in mouse skin causes bigger sebaceous glands and thinner hair, but stopping COX-2 can reverse hair thinning.
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August 1988 in “Archives of Otolaryngology - Head and Neck Surgery” Minoxidil can cause excessive hair growth in the ear canal, leading to ear infections and hearing loss.
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June 1996 in “Journal of cellular physiology” Retinoic acid, glucocorticoids, and IGF1 increase IGFBP-3 production in human dermal papilla cells, affecting hair growth.
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October 1931 in “Archives of Dermatology and Syphilology” A rare scalp infection in a child developed into a kerion with additional skin symptoms.
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December 2012 in “Clinical and Experimental Dermatology” A rare calcium deposit condition was found on a man's scalp.
July 1995 in “Journal of Dermatological Science” August 2000 in “Chinese Journal of Dermatology” Dermal papilla cells can successfully grow and maintain hair follicles.
April 2023 in “Journal of Investigative Dermatology”