Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
September 2017 in “Dermatologic Surgery” 1 citations
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December 2001 in “Linchuang pifuke zazhi” Some Chinese herbs can promote or inhibit hair growth.
January 2020 in “Revista Dermatológica Centro Uraga” Recognizing trichoscopic features is crucial for diagnosing various hair loss conditions.
5 citations
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April 2014 in “The American Journal of Dermatopathology” Foreign-body granuloma may be a marker for late-stage Lichen Planopilaris and should be considered in diagnosis.
4 citations
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July 1979 in “Journal of the American Academy of Dermatology” The hair and oil glands react by changing structure when stressed.
6 citations
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February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
4 citations
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May 2020 in “The journal of pediatrics/The Journal of pediatrics” A boy with monilethrix has brittle hair that breaks easily due to a genetic condition, which might improve by puberty.
41 citations
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January 2011 in “Nippon Ishinkin Gakkai Zasshi” Tinea incognito in Iran commonly affects adults and mimics other skin conditions.
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.
12 citations
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March 2004 in “Journal of Investigative Dermatology”
19 citations
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December 2015 in “European Journal of Human Genetics” A rare ITGB6 gene variant causes intellectual disability, hair loss, and dental issues.
7 citations
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September 2020 in “Journal of The American Academy of Dermatology” Low-dose oral minoxidil for hair loss can cause mild excessive hair growth, usually appearing within the first 3 months, but it can be managed by adjusting the dose or removing the unwanted hair, with most people not needing to stop the treatment.
11 citations
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June 1974 in “Journal of Cutaneous Pathology” Follicular mucinosis causes significant damage to hair follicle cells.
November 2023 in “BMJ case reports” A man in his 30s had patchy hair loss on his leg due to primary follicular mucinosis.
February 2021 in “Pakistan Armed Forces Medical Journal” A rare skin condition usually found near the eyes was found on a farmer's scalp.
September 2016 in “Journal of Dermatological Science” Björnstad syndrome causes twisted hair from birth.
1 citations
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May 2011 in “Journal of Obstetrics and Gynaecology” Hair loss in postmenopausal women due to ovarian hyperthecosis is rare, but removing the ovaries can significantly improve the condition.
January 2012 in “Case reports in pediatrics” A 16-year-old boy's arm hair grew more after wearing a splint, but it returned to normal in 8 months.
201 citations
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May 2001 in “Proceedings of the National Academy of Sciences” Overexpression of COX-2 in mice skin causes abnormal skin and hair development.
33 citations
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August 2008 in “American Journal Of Pathology” Hedgehog signaling is essential for normal sebaceous gland development and affects keratin 6a expression.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A 13-year-old boy had both lichen planus and vitiligo, suggesting a possible link between the two conditions.
February 2026 in “Veterinary Dermatology” Coat-type differences in Pomeranians affect Alopecia X diagnosis and treatment.
27 citations
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May 2004 in “Journal of Investigative Dermatology” March 2022 in “JAAD case reports” A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
June 2021 in “The Journal of Family Practice” A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.
16 citations
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July 2018 in “Experimental Dermatology” Removing Gata6 causes hair follicle and sebaceous duct enlargement.
July 2024 in “Journal of Investigative Dermatology” Linalool in fragrances may harm hair follicles and contribute to hair loss.
7 citations
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May 2018 in “Curēus” Bimatoprost 0.03% solution effectively promotes eyebrow growth.