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October 1975 in “Journal of Cutaneous Pathology” Hair growth in alopecia areata is hindered due to impaired cell activity in the surrounding tissue.
Muscarinic acetylcholine receptors help regulate and promote hair growth.
19 citations
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June 2007 in “Veterinary Dermatology” Amitraz effectively treated sarcoptic mange in three alpacas.
19 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal-epidermal interactions are crucial for hair growth and maintenance.
March 2006 in “Chinese journal of plastic surgery” Microencapsulated human hair cells can regenerate hair follicles in mice ears.
18 citations
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January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
5 citations
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January 1983 in “PubMed” Human skin releases different steroids, with some coming from sebaceous glands and others from sweat glands.
1 citations
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February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
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June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
April 2026 in “Frontiers in Cell and Developmental Biology” Hair cell loss usually happens after hearing loss starts.
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October 1996 in “Journal of the American Academy of Dermatology”
January 2018 in “Our Dermatology Online” Trichomycosis axillaris is a treatable bacterial infection of underarm hair.
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July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
5 citations
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October 2015 in “The Egyptian Journal of Otolaryngology” Alopecia areata patients may have hearing loss linked to the condition's severity and duration.
January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
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November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
December 1990 in “PubMed” Different glycoconjugates are present in the outer and inner root sheaths of human hair follicles.
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January 2018 in “International Journal of Trichology” Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
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December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
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January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.
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April 2026 in “Frontiers in Cell and Developmental Biology” Hair follicles in mice help detect and respond to germs.
December 2023 in “JEADV Clinical Practice” Brownish halos around axillary hair can help diagnose frontal fibrosing alopecia.
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February 2025 in “Journal of the American Academy of Dermatology” Most men prefer keeping their eyebrows over scalp hair.
January 2008 in “Journal of Practical Medical Techniques” Microencapsulated cells can regenerate hair follicles in rat ears.
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December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
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July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.
January 2022 in “Indian dermatology online journal” Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
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January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
April 2023 in “Journal of Investigative Dermatology” Staphylococcus epidermidis affects hair growth and metabolism, suggesting it could help manage hair growth issues.