Human hair affects millimeter radiowaves due to its keratin content.
December 2008 in “The American Journal of Cosmetic Surgery” Multi-pass laser skin treatments improved healing, reduced pain, and had no major complications.
January 2011 in “Junshi yixue” Longer exposure to high-power millimeter wave radiation causes more severe skin damage in mice.
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April 2018 in “Biotechniques/BioTechniques” A new method was developed to extract and analyze proteins from very short human hairs.
40 citations
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May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.