Increased calcium in hair may signal early bone health issues in menopausal women.
1 citations
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March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
35 citations
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September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
25 citations
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January 1992 in “International Journal of PIXE” Trace elements can impact health, causing issues like zinc deficiency, copper-related diseases, mercury and lead toxicity, and more.
Depressed individuals have higher hair sodium and potassium levels, similar to changes seen in astronauts.
October 2022 in “Amplla Editora eBooks” 3 citations
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September 2018 in “Journal of Structural Biology” Oxidized trichocyte keratin has a helical dislocation in its structure.
July 2025 in “Journal of the American Academy of Dermatology” Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.
6 citations
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August 2014 in “Spectroscopy Letters” The analysis shows where minoxidil's atoms are likely to react and describes its electronic transitions and behavior with temperature changes.
June 2024 in “Ecotoxicology and Environmental Safety” Finasteride harms Daphnia magna's reproduction, growth, and metabolism.
5 citations
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September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
2 citations
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April 2022 in “Biomedicines” Low-frequency electromagnetic fields may help hair growth by affecting certain growth-related molecules.
42 citations
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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.
15 citations
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July 2012 in “Biological trace element research” Higher hair calcium to magnesium ratios and lower chromium levels in hair may indicate insulin resistance in Korean men.
17 citations
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January 2024 in “Journal of Materials Chemistry B” A new nanoagent effectively kills bacteria and speeds up wound healing.
11 citations
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February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
August 2025 in “Arabixiv (OSF Preprints)” Male pattern baldness is mainly caused by brain heat stress, not DHT.
Prussian Blue causes hair cuticles to detach, weakening the hair.
January 2025 in “SSRN Electronic Journal”
The new method can tell how hair fibers react to moisture after treatments.
February 2024 in “Medicina” AFM can diagnose hair disorders by revealing detailed hair surface changes.
Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.
4 citations
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January 2021 in “Acta Dermato Venereologica” Titanium nanoparticles may trigger frontal fibrosing alopecia, so avoid products with them.
26 citations
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April 1975 in “Journal of Wildlife Management” Moose hair mineral levels vary by season and location, indicating environmental impacts.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
February 2010 in “Journal of The American Academy of Dermatology” The document concludes that using gadolinium-based contrast agents during MRI can be linked to Nephrogenic Systemic Fibrosis in patients with severe kidney disease.
3 citations
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December 1956 in “PubMed”