Evaluation of Hair Cycle and Epidermal Turnover

    January 2001 in “ Nishi Nihon hifuka ”
    Shoji Hayashi, Seiji Arase
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    TLDR The document concluded that there are differences in hair growth cycles and skin cell turnover rates, which can be measured with electronic equipment.
    The document from 22 years ago, "Evaluation of Hair Cycle and Epidermal Turnover," discussed a method developed to examine the hair cycle and epidermal turnover using electronic equipment. The study highlighted the differences in the length of hair cycles between terminal hair and vellus hair. It also compared hair growth parameters between patients with androgenic alopecia and age-matched controls. Additionally, the study observed variations in the turnover rate in the stratum corneum among small areas on the skin surface. Various noninvasive methods to evaluate the dynamic aspects of the epidermis and hair were also outlined.
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