Change of Cell Membrane Complex of a Hair Fiber Caused by Hair Damage

    January 2005 in “ Seibutsu Butsuri/Seibutsu butsuri ”
    Tomomichi Fujiyama, Hitomi Shimizu, Tomoyuki Kawasoe, Noriko Ohta, Kentaro Inoue, Naoto Yagi, I. Hatta
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    TLDR Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
    The study investigated the impact of chemical treatments (hair coloring and perming) and UV exposure on the cell membrane complex (CMC) of hair fibers. Using TEM and SPM, it was found that chemical treatments caused more significant damage than UV exposure, leading to a decrease in the thickness of the β-layer and an increase in horizontal force values. This indicated a reduction in elasticity and increased softness of the CMC, suggesting that chemical treatments reduce the thickness and flexibility of the CMC.
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