17 citations
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October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
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 2025 in “Scholars International Journal of Anatomy and Physiology” Straight-lined hairlines are most common among Etche people.
1 citations
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October 2013 in “MacSphere (McMaster University)” Changes in δ¹⁵N values in hair can indicate stress or health issues.
2 citations
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April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.
February 2024 in “JAAD International” Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.
June 2018 in “Biomedical Journal of Scientific and Technical Research” Men with lower 2nd to 4th finger ratios tend to have larger sinus volumes.
October 2022 in “Hair Transplantation” Digital imaging tools help accurately assess hair transplant candidates.
Recognizing bamboo hair helps diagnose Netherton’s syndrome.
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January 1981 203 citations
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December 1947 in “Annals of Internal Medicine”
February 2026 in “Cureus” Two methods reliably measure scalp area and hair count.
Malnourished people have weaker hair that is easier to pluck.
5 citations
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May 2019 in “Anais Brasileiros de Dermatologia” Finger length ratios might predict risk for skin condition in males.
14 citations
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July 2007 in “International Journal of Cosmetic Science” The new 3D imaging method accurately measures hair surface details quickly.
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January 2012 in “International journal of trichology” The HairCheck® device is effective for measuring hair loss and growth in people with alopecia.
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September 2023 in “Aging” Elastic Net DNA methylation clocks are inaccurate for predicting age and health status; a "noise barometer" may better indicate aging and disease.
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October 2015 in “International Journal of Dermatology” Normal hair density and diameter ratios were established to help diagnose adult hair loss.
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April 2021 in “Journal of Cosmetic Dermatology” The micrometer caliper is a reliable tool for measuring hair diameter for FUE surgery.
November 1993 in “Hair transplant forum international” Measuring hair density is crucial for diagnosing and treating hair loss.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
46 citations
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April 2009 in “Journal of Dermatological Case Reports” Researchers established normal hair and scalp characteristics for healthy women using trichoscopy.
August 2015 in “Europe PMC (PubMed Central)” Using body measurements can help achieve good results in plastic surgery like reshaping the torso, but it doesn't work for all body types.
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January 2011 in “Journal of biomedical optics” OCT is a reliable, noninvasive way to measure hair thickness.
6 citations
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December 2018 in “Australasian Journal of Dermatology” The Trichoscopy Derived Sinclair Scale offers a more accurate and reliable way to measure hair loss severity than the traditional visual method.
November 2019 in “Journal of Vertebrate Biology” QIA-64 software can measure straight wire lengths accurately but needs improvement for curved wires and width measurements.
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November 1966 in “Experimental Biology and Medicine” Hair diameter can indicate protein status in malnourished children if sample location is controlled.
8 citations
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January 2022 in “Sensors” Deep learning can accurately automate hair density measurement, with YOLOv4 performing best.
December 2022 in “JEADV Clinical Practice” Hair density and thickness decrease in specific scalp areas in people with androgenetic alopecia.
January 2024 in “Wiadomości Lekarskie” Digital dentistry improves precision and efficiency in dental care.