161 citations
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June 1993 in “Journal of Biological Chemistry” Trichohyalin helps in hair and skin cell structure and function by binding calcium and linking proteins.
7 citations
,
June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
19 citations
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May 2006 in “Clinical and Experimental Dermatology” Researchers found a new mutation causing total hair loss from birth.
July 2025 in “Ecotoxicology and Environmental Safety” Higher levels of molybdenum and lead in hair are linked to increased cholesterol and dyslipidemia risk.
15 citations
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January 1971 in “British Journal of Dermatology” Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.
December 2023 in “Materials Today Sustainability” Scientists made glow-in-the-dark dots from human hair that can detect iron, prevent counterfeiting, and reveal fingerprints.
7 citations
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January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.
August 2022 in “Zenodo (CERN European Organization for Nuclear Research)” Iron deficiency anemia causes fatigue and can be managed with proper care.
1 citations
,
March 2019 in “Hygiene and Sanitation” Heavy metals can damage skin and hair in mice.
8 citations
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June 1981 in “Clinica Chimica Acta”
January 2024 in “Australasian journal of dermatology (Print)” A boy's hair turned red because of genetic mutations, not lack of zinc.
Erythropoietin overexpression disrupts hair growth and fat formation in mice.
2 citations
,
November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
29 citations
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July 1991 in “Biochimica et Biophysica Acta (BBA) - General Subjects” Glycoproteins are present in the cell membranes of various keratin fibers.
7 citations
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February 2011 in “Journal of dermatology” The 736T>A mutation in the LIPH gene is common in Japanese people with autosomal recessive woolly hair.
5 citations
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March 2011 in “Journal of proteomics” Histone H4, released by cells exposed to colchicine, can cause hair loss by inhibiting cell growth and enzyme activity.
18 citations
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February 1992 in “Molecular Biology Reports” A specific type II hair keratin was identified and found in hair cortex and tongue cells.
January 2002 in “Proceedings of The Japanese Society of Animal Models for Human Diseases” Keratin2-6g is crucial for hair follicle development, with mutations causing cell degeneration and vacuolation.
179 citations
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May 1982 in “The Journal of clinical investigation/The journal of clinical investigation” High levels of 3 alpha-diol glucuronide in the blood are a marker of increased androgen action in women with excessive hair growth of unknown cause.
5 citations
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August 2020 in “Advances in Hematology” Automatically measuring ferritin can help identify iron deficiency in women with hair loss.
28 citations
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August 2003 in “Steroids” Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.
12 citations
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December 2017 in “Journal of biomaterials science. Polymer ed.” Human hair protein extracts can protect skin cells from oxidative stress.
4 citations
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March 1968 in “The Lancet” Avoiding aspirin may prevent hair loss.
6 citations
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May 2012 in “Archives of Dermatological Research” A new mutation in the HR gene is linked to a rare form of hair loss with limb deformities.
23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
13 citations
,
January 1997 in “Biochemical Pharmacology” Human liver enzyme DHEA ST helps process minoxidil.
4 citations
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November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
47 citations
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July 1998 in “Journal of Investigative Dermatology” A new mutation, Glu402Lys, in hair keratin is linked to variable symptoms of monilethrix.
Hirsutism is excessive male-pattern hair growth in women, often treated cosmetically or with hormone therapy if contraception is also desired.