Development Studies of Cuticle Drugs from Natural Resources: Effects of Crude Drug Extracts on Hair Growth in Mice

    January 1988 in “ YAKUGAKU ZASSHI ”
    Michinori Kubo, Hideaki Matsuda, Masanori Fukui, Yoshiaki Nakai
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    TLDR Certain natural extracts can promote hair regrowth.
    The study investigated the effects of 50% ethanol extracts from 14 crude drugs on hair regrowth in mice with removed abdominal hair. It found that extracts from Polygonum multiflorum (I), Drynaria fortunei (II), Panax japonicum (VII), and Swertia japonica (XI) promoted hair regrowth in normal mice. Additionally, extracts I and VII were effective in mice pretreated with a high butter diet. These findings suggested that extracts I and VII could be used as hair tonics to promote hair regrowth.
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