December 2023 in “JEADV Clinical Practice” Brownish halos around axillary hair can help diagnose frontal fibrosing alopecia.
1 citations
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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.
45 citations
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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.
5 citations
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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.
1 citations
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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.
16 citations
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July 2020 in “JAMA Dermatology” People with alopecia areata may have a higher risk of hearing loss.
March 2023 in “Journal of Student Research” Humans likely became hairless to better regulate body temperature.
December 2025 in “Skin Appendage Disorders” Scalp apocrine glands may help remove waste and balance electrolytes, but their role is not fully understood.
61 citations
,
October 1996 in “Development” Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.
15 citations
,
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.
4 citations
,
November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
January 2020 in “Journal of oral medicine and oral surgery” Hair grew in a man's mouth due to a rare condition called heterotopia.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
May 2021 in “British Journal of Dermatology” Different tiny organisms live in human hair follicles and can affect both health and skin conditions, including acne and hair loss.
Understanding hair follicle communication can help treat hair loss.
1 citations
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April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
7 citations
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March 2002 in “Aesthetic Surgery Journal” In 2002, hair restoration improved by using a different area for grafts and absorbable sutures, leading to less discomfort and better results.
9 citations
,
January 2003 The evolution of mammal body hair remains a mystery.
32 citations
,
September 1996 in “Archives of Dermatological Research” 6 citations
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September 1996 in “Archives of Dermatological Research”
8 citations
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February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
21 citations
,
June 2004 in “Experimental Dermatology” Ber‐EP4 marks cells related to the secondary hair germ in hair follicles.
December 2019 in “Periodicals of Engineering and Natural Sciences (PEN)” Hair analysis can provide insights into a person's medical history and location over time.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
January 2018 in “Figshare” Curcuma aeruginosa extract lotion effectively reduces underarm hair growth.