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January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
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November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
Chemical treatments weaken hair's thermal stability and structure.
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September 2004 in “Biomacromolecules” The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.
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October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
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March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
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January 2015 in “Cell & tissue research/Cell and tissue research” Keratin mutations cause skin diseases and could lead to new treatments.
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October 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes can change hair structure and cause monilethrix, with nail issues more common in certain gene mutations.
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February 2009 in “Journal of Investigative Dermatology” VEGF helps squamous cell carcinoma grow in ways beyond just blood vessel formation.
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November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
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June 2023 in “International journal of biological macromolecules” Human hair proteins can help blood clot when mixed in equal parts.
November 2023 in “Journal of the Taiwan Institute of Chemical Engineers” Scientists made nanoparticles from human hair proteins to improve drug delivery.
Oxidized hair can naturally regain strength and stability over six months.
January 2011 in “Anhui nongye kexue” The vector successfully directed specific gene expression in hair follicles.
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.