15 citations
,
May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
September 2012 in “European journal of psychotraumatology” A new method accurately measures long-term hormone levels in hair.
22 citations
,
January 2010 in “Clinical Medicine Insights Endocrinology and Diabetes” Forearm hair has more cortisol than lower leg hair.
56 citations
,
June 2010 in “Clinical and experimental dermatology” Coudability hairs are useful markers for alopecia areata activity.
33 citations
,
July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
1 citations
,
January 2024 in “Archives of Endocrinology and Metabolism” Self-assessed hirsutism scores are not reliable for clinical diagnosis but may help in screening.
2 citations
,
January 2005 in “PubMed” Women with excessive body hair often have higher male hormones and related health issues.
30 citations
,
April 2009 in “Dermatologic Surgery” TrichoScan helps identify subtle hair thinning in women with androgenetic alopecia.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” Digital microscopy can help diagnose hirsutism by measuring hair growth.
1 citations
,
January 2015 in “Journal of Society of Cosmetic Chemists of Japan” Keratin film can effectively measure hair texture and adsorption properties.
September 2022 in “International Journal of Trichology” Trichoscopic measurements help determine the severity of female pattern hair loss.
November 2025 in “European Journal of Endocrinology” Hair steroid profiling is a feasible, non-invasive alternative to serum analysis for assessing hormone levels and metabolism.
August 2025 in “Brazilian Journal of Hair Health” Hair-related body dysmorphic disorder is common in hair loss patients and needs early recognition for proper treatment.
September 2023 in “International journal of Unani and integrative medicine” Hair loss patterns are linked to temperament and can help diagnose it.
5 citations
,
October 2021 in “Vlaams Diergeneeskundig Tijdschrift” The protocol is easy to use, but reliable results need the same person to assess each time.
3 citations
,
October 2021 in “Postepy Dermatologii I Alergologii” Checking the chin, thighs, upper lip, or lower abdomen is enough to predict hirsutism.
January 2025 in “SSRN Electronic Journal”
1 citations
,
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
12 citations
,
January 2014 in “Menoufia Medical Journal” Dermoscopy improves diagnosis of hair and scalp disorders and can help avoid unnecessary biopsies.
70 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” TrichoScan is a reliable method for measuring hair growth and is useful for assessing hair loss treatments.
10 citations
,
March 1973 in “Journal of Investigative Dermatology”
1 citations
,
December 2022 in “Clinical, cosmetic and investigational dermatology” Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.
212 citations
,
September 2015 in “Journal of Investigative Dermatology” The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.
7 citations
,
February 2018 in “International Journal of Pharmaceutics” Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.
10 citations
,
January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
36 citations
,
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.
8 citations
,
July 1997 in “Archives of Gerontology and Geriatrics”
1 citations
,
July 2022 in “Dermatologic Therapy” Both brands of biotin and dexpanthenol injections improved hair loss, with Bayer also increasing the ratio of thick to thin hairs.