Human hair affects millimeter radiowaves due to its keratin content.
264 citations
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January 2008 in “Journal of biomedical optics” Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.
1 citations
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February 2015 in “Zenodo (CERN European Organization for Nuclear Research)” Different hair fiber brands have unique electrostatic and dielectric properties.
29 citations
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June 2014 in “Drug delivery” The new formulation improved the skin absorption of the drug Thiocolchicoside.
39 citations
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November 2016 in “Pharmaceutics” The hair follicle pathway significantly affects how easily water-loving chemicals pass through the skin.