56 citations
,
June 2010 in “Clinical and experimental dermatology” Coudability hairs are useful markers for alopecia areata activity.
Urtica dioica L. extract may help treat skin fungus but is less effective than standard treatment.
February 2014 in “아시안뷰티화장품학술지” Natural extracts like peppermint and rosemary oils are effective for hair growth and scalp health.
January 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
The 16th-century mummy's hair was well-preserved due to a calcium coating.
Lactobacillus and fermented Korean berry can help hair grow faster.
December 2025 in “International Journal of Advanced Biochemistry Research” Malvi cattle hair varies in color and pattern across different body regions.
25 citations
,
January 1999 in “Journal of cutaneous laser therapy” Diode laser effectively treats pseudofolliculitis barbae.
April 2013 in “Developmental Cell” Brg1 is crucial for keeping hair follicle stem cells and repairing skin, working with the Sonic Hedgehog pathway to promote hair growth.
1 citations
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November 2023 in “Chemical and Biological Technologies in Agriculture” JUNB boosts hair growth in goats by helping specific skin cells multiply.
November 2022 in “Journal of Investigative Dermatology” Butyrate helps hair grow longer, improves hair cell health, increases pigment production, and boosts hair's natural defenses.
December 2025 in “British Journal of Dermatology” 5 citations
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February 2022 in “Animals” Sodium sulfide slows wound healing, while electric shaving is the safest for preoperative hair removal.
5 citations
,
June 2011 in “PLoS ONE” Mammoth hair grew faster than human hair and showed seasonal changes in growth and mineral content.
July 2023 in “Veterinary pathology” White-tailed deer can get a hair loss condition that might make them more vulnerable to environmental threats.
January 2022 in “Lumbung Farmasi: Jurnal Ilmu Kefarmasian/Lumbung Farmasi” Celery leaf extract and honey effectively promote hair growth.
September 2001 in “Swiss Medical Forum ‒ Schweizerisches Medizin-Forum”
33 citations
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January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
27 citations
,
November 2012 in “Journal of Biomedical Optics” Confocal Raman microscopy can effectively study drug delivery in hair follicles using pig ear models.
6 citations
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February 2015 in “Journal of parasitic diseases” Ivermectin injections and spray, along with hygiene measures, successfully treated sarcoptic mange in guinea pigs.
68 citations
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August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
2 citations
,
August 2019 in “Electronics and Communications in Japan” The device mimics human hair follicles and detects tiny forces and moments with high sensitivity.
36 citations
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December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
2 citations
,
February 2019 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Tufted folliculitis is common in patients with folliculitis decalvans.
A natural compound called VB-1 can help promote hair growth by boosting a specific cell signal in human skin cells.
Hair movement can indicate hair quality and health.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
88 citations
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March 2004 in “Journal of Investigative Dermatology” 7 citations
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January 2014 in “International Journal of Trichology” Primary idiopathic pseudopelade of Brocq causes gradual, scarring hair loss with no effective treatment.