Evaluation of Hair Growth

    July 2008
    Naihui Zhou, Wenhong Fan
    From the encyclopedia
    Finasteride →

    Frontline, gold standard treatment for combatting androgenic alopecia

    Minoxidil →

    An essential vasodilator with some anti-androgenic effects

    Studysummary This review explores the evaluation methods and biological parameters involved in hair growth assessment, highlighting their distinct applications and advantages, but presents no new clinical findings.
    Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
    The document from July 15, 2008, discusses the importance of evaluating hair growth, particularly in light of treatments for androgenetic alopecia such as finasteride and minoxidil. It outlines the main biological parameters for assessing hair growth, which include hair density, shaft diameter, rate of linear growth, and cycle status, with the anagen:telogen ratio being the most practical indicator for cycle status. The document categorizes the methods for evaluating hair growth into non-invasive, semi-invasive, and invasive, each with their specific applications and advantages. The focus on these evaluation methods reflects the interest of dermatologists and researchers in understanding and measuring hair growth.
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