12 citations
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May 2003 in “Journal of dermatological science” Hsc70 protein may influence hair growth by responding to androgens.
Digit ratio likely doesn't predict male hair loss.
42 citations
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January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
51 citations
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November 1988 in “The Journal of Clinical Endocrinology & Metabolism” Higher levels of a specific hormone are linked to more chest hair and acne in men.
January 2025 in “International Journal of Dermatology” Afro-textured hair in indigenous South Africans has lower density and unique features, needing specific evaluation standards.
2 citations
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May 2022 in “Clinical, Cosmetic and Investigational Dermatology” Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.
January 2012 in “Journal of Investigative Dermatology”
April 2026 in “Journal of Experimental Psychopathology” Hair cortisol levels may not reliably indicate psychological distress.
4 citations
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January 2017 The pull and wash tests are simple, cost-effective ways to diagnose hair loss severity and type.
December 2015 in “Vestnik dermatologii i venerologii” People with hair loss have different hormone levels, and these hormones can affect hair growth.
August 2022 in “Our Dermatology Online” The conclusion is that examining the scalp closely and checking for iron levels and thyroid issues is key to understanding chronic hair loss in women.
8 citations
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July 2002 in “X-Ray Spectrometry” Elemental composition of hair affects its x-ray diffraction patterns.
April 2016 in “Journal of Investigative Dermatology”
32 citations
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April 2015 in “British Journal of Dermatology” The hair shedding scale accurately identifies abnormal hair shedding in women with long hair, with grades 5 and 6 indicating excessive shedding.
April 2022 in “Journal of Investigative Dermatology” Androgenetic alopecia causes hair thinning due to increased androgen activity, treatable with minoxidil and finasteride.
3 citations
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December 2021 in “Skin research and technology” Higher hair luminosity and shine mean higher perceived transparency.
1 citations
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August 2025 in “Journal of Investigative Dermatology” Genetic studies on hair traits can improve understanding of health and disease.
2 citations
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January 2022 in “Clinical, Cosmetic and Investigational Dermatology” The refined wash test is a reliable way to measure daily hair loss and can tell the difference between different types of hair loss.
Increased calcium in hair may signal early bone health issues in menopausal women.
63 citations
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February 2003 in “Australasian Journal of Dermatology” Global photography and phototrichogram techniques are the best current methods for measuring hair growth.
22 citations
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April 1972 in “Journal of Steroid Biochemistry” Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
January 2017 in “STARS (University of Central Florida)” Steroid hormones can be preserved in ancient hair, revealing insights into past health and fertility.
March 2024 in “Middle East Fertility Society Journal/Middle East Fertility Society Journal ” PCOS patients have more central body fat, which can be effectively measured using DEXA.
9 citations
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January 2023 in “Journal of Clinical Medicine” The FFA-QLI is a reliable tool for assessing quality of life in women with severe Frontal Fibrosing Alopecia.
7 citations
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January 1971 in “Archives of Dermatological Research” March 2023 in “Asian Journal of Beauty and Cosmetology” HX109 herbal extract helps hair grow by boosting cell growth and reducing cell death.
2 citations
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January 2014 in “Turkish Journal of Medical Sciences” TrichoScan effectively diagnoses different types of hair loss and is linked to low iron stores in patients.
12 citations
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October 2012 in “Anais Brasileiros De Dermatologia” Dermoscopy effectively diagnoses and evaluates female hair loss treatment.
November 2025 in “Journal of arthropod-borne diseases” High Demodex mite levels are linked to severe hair loss.
January 2024 in “International Journal of Trichology” Hair root dermoscopy is a simple, noninvasive tool to diagnose telogen effluvium.