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January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
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October 2021 in “QJM: An International Journal of Medicine” Double-spin PRP is more effective for treating female hair loss than single-spin PRP.
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Hair feels different when touched and rubs together in various ways.
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January 1977 in “PubMed” 9 citations
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August 2021 in “Journal of clinical medicine” Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
July 2025 in “ALEXMED ePosters”
November 2011 in “Advanced Materials Research” Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.
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July 2016 in “Journal of nature and science” Human hair can transmit magnetic signals through glass.
June 2018 in “Journal of Acupuncture and Meridian Studies” New technologies in acupuncture and biosensors show promise for better medical treatments and healing.
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January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
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April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
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June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
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January 2025 in “Annals of the New York Academy of Sciences” Spiny mice can regenerate tissues instead of forming scars.
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May 2021 in “Journal of Nanobiotechnology” The 3D electrospun fibrous sponge is promising for tissue repair and healing diabetic wounds.
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September 2014 in “PLoS ONE” SK2 channels help control sensory signals in rat muscle spindles and hair follicles.
June 2021 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” 13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
28 citations
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February 2010 in “Experimental Dermatology” The frizzy mouse and hairless rat mutations are due to changes in the Prss8 gene.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
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September 2021 in “International journal of research - granthaalayah” Human hair has bipolar electrical charges because of a gap in the hair follicle's electromagnetic field.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
32 citations
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May 1999 in “Biochemical and Biophysical Research Communications” A new enzyme, BSSP, is found in high amounts in the hair follicles of nude mice.
January 2025 in “SSRN Electronic Journal” January 2025 in “SSRN Electronic Journal” September 2023 in “Animals” Genes linked to wool fineness in sheep have been identified.