31 citations
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December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
7 citations
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March 2003 in “Journal de Physique IV (Proceedings)” Calcium soaps are present in human hair and can be removed with acid.
2 citations
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March 2018 in “ACS Sustainable Chemistry & Engineering” Heating human hair creates hollow microtubes with smooth surfaces.
Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
18 citations
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November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.