4 citations
,
January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
37 citations
,
September 2010 in “Journal of Hospital Infection” Hair follicles in the nose may need better cleaning to prevent Staphylococcus aureus infections.
4 citations
,
July 2020 in “International Journal of Cosmetic Science” All hair removal methods irritate underarm skin and cause dryness, with shaving being less irritating but more drying than plucking or waxing.
January 2022 in “Biomedical Reports” Inaudible sound at 30 kHz can boost hair growth and decrease hair loss by promoting cell growth and reducing cell death in hair follicles.
9 citations
,
June 2014 in “British Journal of Dermatology” The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
2 citations
,
January 2017 in “Skin appendage disorders” Women with and without hair loss have similar amounts of exogen hairs, so these hairs are not a key factor in hair loss conditions.
9 citations
,
July 2008 in “Archives of Dermatological Research” 13 citations
,
January 2002 in “Biochemical and biophysical research communications” Interferon β from hair cells stops the growth of other hair cells.
June 2014 in “Experimental dermatology” The epidermis is crucial for hair growth.
15 citations
,
July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
5 citations
,
December 2015 in “Dermatologic Therapy” Using a certain drug on the skin can help prevent hair loss caused by pulling on the hair.
15 citations
,
January 1992 in “Dermatology” Artificial hair implants can cause severe skin problems, often needing surgical removal.
January 2007 in “UKnowledge (University of Kentucky)” Steers with winter hair coats and reduced sweating struggled with heat, leading to less grazing and poor performance.
21 citations
,
December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
March 2014 in “CRC Press eBooks” Human head hair can grow very long and is thicker than most body hair.
1 citations
,
November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
June 2008 in “The Open Dermatology Journal” Instructional sheets can help patients manage hair disorders.
7 citations
,
October 1992 in “PubMed” Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.
5 citations
,
October 2020 in “Experimental dermatology” A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.
11 citations
,
October 2020 in “Sensors” Photoacoustic imaging can accurately assess hair follicle density and orientation for hair transplant planning.
5 citations
,
November 2001 in “Auris Nasus Larynx” Accurate diagnosis of Winer's dilated pore in the ear is crucial to avoid unnecessary aggressive treatment.
January 2015 in “Pathology” A 64-year-old man had a rare skin cancer near his ear, unresponsive to antibiotics, with specific skin and hair follicle changes.
A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
July 2025 in “InnovAiT Education and inspiration for general practice” January 1990 in “The Nishinihon Journal of Dermatology” Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
January 2025 in “British Journal of Dermatology” Long scalp hair evolved for cooling and social signaling.
15 citations
,
April 1960 in “Journal of the American Medical Association” Hirsutism perception varies by culture and individual.
A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
87 citations
,
August 1974 in “Journal of Investigative Dermatology”
June 2017 in “International Journal of Periodontics & Restorative Dentistry” Using skin grafts from behind the ear for oral surgery in two patients with jaw injuries led to successful healing and good results.