April 2023 in “Journal of Investigative Dermatology” Staphylococcus epidermidis affects hair growth and metabolism, suggesting it could help manage hair growth issues.
16 citations
,
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
,
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
,
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
,
September 1996 in “Archives of Dermatological Research”
8 citations
,
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.
68 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
12 citations
,
June 2011 in “Journal of Dermatological Case Reports” Shaving, erythromycin cream, and clotrimazole powder effectively treated the bad odor and rough hair.
4 citations
,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
January 2018 in “Figshare” Curcuma aeruginosa extract lotion effectively reduces underarm hair growth.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
28 citations
,
March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
49 citations
,
March 2004 in “Journal of Investigative Dermatology” The hHa7 gene is regulated by androgens in certain body hair, not scalp hair.
April 2021 in “bioRxiv (Cold Spring Harbor Laboratory)”