Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.
August 2019 in “Journal of archaeological science: Reports/Journal of archaeological science: reports” Ancient hair can preserve hormones, revealing health and fertility insights.
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.
Oxidized hair can naturally regain strength and stability over six months.
October 2012 in “Advanced Materials Research” Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
January 2011 in “Maofang ke-ji” Rabbit hair research improved its use in textiles and new applications.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
Yak hair stretches mainly due to macromolecules slipping past each other.
January 2007 in “Proceedings of the Korean Fiber Society Conference” New resin B makes artificial hair fibers hold curls longer than traditional resin A.
Stretching-setting treatment works for wool and human hair using specific equipment and methods.
September 2001 in “PubMed” The new X-ray technique allows for precise and non-destructive measurement of elements in hair, creating the first database of its kind for a specific ethnic group.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” The research provided a detailed view of the non-keratinous parts of human hair fibers.
January 2023 in “Springer eBooks” 
January 2007 in “Dermatologic Surgery” Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.
212 citations
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September 2008 in “Journal of The American Academy of Dermatology” Minoxidil and finasteride treat hair loss in men, while minoxidil treats hair loss in women.
75 citations
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November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of it.
59 citations
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November 2015 in “International Journal of Cosmetic Science” Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
45 citations
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December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
41 citations
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January 2018 in “Advances in experimental medicine and biology” 
40 citations
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June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
29 citations
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January 1993 in “Dermatologic Clinics” Certain medications and maintaining adequate iron levels can help manage women's hair loss.
28 citations
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January 2012 in “International Journal of Trichology” Genetics affect early female hair loss, severity depends on duration, and low ferritin levels not significant.
26 citations
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October 2011 in “Biological trace element research” Low copper levels might cause premature graying of hair.
22 citations
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August 2015 in “PloS one” Keratin from hair binds well to gold and BMP-2, useful for bone repair.
22 citations
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January 1985 Water makes hair more flexible, especially the outer layer.
21 citations
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June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.