Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
1 citations
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October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
1 citations
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December 2022 in “Current Issues in Molecular Biology” Annurca apple extract improved hair growth in mice and could potentially prevent hair loss.
12 citations
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February 2010 in “Journal of The American Academy of Dermatology” A cancer drug caused unusual hair growth on a 100-year-old man's scalp and eyelashes.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
Hair restoration can be permanent.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
15 citations
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December 1972 in “Journal of Investigative Dermatology”
6 citations
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January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
7 citations
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January 2012 in “International Journal of Trichology” A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.
132 citations
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September 2009 in “Experimental Dermatology” A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
1 citations
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August 1992 in “Proceedings annual meeting Electron Microscopy Society of America” Mammoth hair from different ages shows distinct surface textures and elemental compositions.
12 citations
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January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
Daily hair care may cause holes in hair fibers.
5 citations
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January 2016 in “International Journal of Trichology” Erlotinib can cause hair loss and texture changes.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.
12 citations
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February 2011 in “Zenodo (CERN European Organization for Nuclear Research)” Hair properties vary with age and ethnic origin.
Hair loss causes significant psychological distress.
4 citations
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair is a return to its original state, while modifications signal social pressures.
8 citations
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
9 citations
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January 2003 The evolution of mammal body hair remains a mystery.
38 citations
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June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.
1 citations
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May 2009 in “Hair transplant forum international” The document's conclusion cannot be provided as the document is not accessible or cannot be parsed.
March 2014 in “CRC Press eBooks” Human head hair can grow very long and is thicker than most body hair.
November 2021 in “CRC Press eBooks” Anagen effluvium is a reversible condition causing sudden hair loss, often due to chemotherapy or head radiation.
September 2021 in “Mağallaẗ al-Muẖtar li-l-ʿulūm” Two sisters have rare hair disorders causing short, fragile, kinky hair.