63 citations
,
October 2005 in “Archives of Dermatology” Shorter, thinner hairs indicate AGA, while longer, thicker hairs suggest CTE; counting and measuring shed hairs helps diagnose hair loss type.
5 citations
,
May 2015 in “JRSM open” If a child is losing a lot of eyelashes and it keeps happening, doctors should look carefully at their health history because it might be a sign of a different health problem.
27 citations
,
January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
June 2020 in “Journal of Investigative Dermatology” The technique effectively shows how human skin and hair cells form into ball-like structures.
13 citations
,
August 2007 in “Journal of Investigative Dermatology” Mouse hair can regrow in a special lab setup without serum.
January 2008 in “Anhui nongye kexue” Mongolia sheep hair follicles grew well in a serum-free medium for 19 days.
1 citations
,
August 2021 in “International journal of cosmetic science (Print)” Using piroctone olamine on the scalp helps reduce hair loss and improves scalp health.
The chapter concludes that certain skin diseases in bovines cause symmetrical, non-painful lesions and temporary hair loss due to stress.
51 citations
,
November 2020 in “Journal of the European Academy of Dermatology and Venereology” COVID-19 infection may cause significant hair loss, but full hair recovery is likely without special treatment.
2 citations
,
May 2021 in “Scientific Reports” Stress is likely causing hair loss in Formosan macaques.
September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
3 citations
,
May 2016 in “Dermatology Online Journal” Changing estrogen levels during menopause might affect genes related to body rhythms and cause increased hair loss.
February 2025 in “Pediatric Dermatology”
July 2023 in “Veterinary pathology” White-tailed deer can get a hair loss condition that might make them more vulnerable to environmental threats.
8 citations
,
February 2005 in “Veterinary dermatology” Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.
August 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Telogen effluvium is a common, distressing condition causing excessive hair shedding and has significant psychological effects on patients.
1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
May 2025 in “Clinical Cosmetic and Investigational Dermatology” Wheat extract supplements reduce hair shedding and improve growth in women with hair loss.
418 citations
,
September 2012 in “Nature” African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
31 citations
,
August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
29 citations
,
July 1982 in “British Journal of Dermatology” Lithium treatment can cause increased hair shedding and hair loss in patients.
January 2006 in “DOAJ (DOAJ: Directory of Open Access Journals)” Loose anagen hair syndrome causes easily pulled, thin hair in kids but is harmless and temporary.
7 citations
,
December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
68 citations
,
April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
2 citations
,
August 2012 in “Journal of the American Academy of Dermatology” Two patients with the same genetic mutation had both blistering skin and easily pulled out hair.
2 citations
,
June 1980 in “International Journal of Dermatology” Scalp biopsies are important for diagnosing hair loss conditions.
2 citations
,
April 2021 in “International Journal of Molecular Sciences” The study concluded that changing the culture conditions can cause sika deer skin cells to switch from a flat to a 3D pattern, which is important for creating hair follicles.
38 citations
,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Abnormal contraction of connective tissue in hair follicles causes hair loss by killing off important cells, and treating this could improve hair growth.