The Influence of Allium Cepa Extracts on Promotion of Hair Growth

    April 2009 in “ 한국생물공학회 학술대회 ”
    Heang Hee Joo, Se Hwan Kwon, Hyun‐Jae Shin
    TLDR Onion extracts can promote hair growth, but quercetin is not responsible.
    The study investigated the effects of Allium cepa (onion) extracts on hair growth using C57BL/6N mice as an alopecia model. Various extracts, including fresh onion juice and ethanol and hot water extracts, were tested against controls like minoxidil and Acorus calamus extract. The results showed that quercetin, a polyphenol in onion juice at 47.49 ppm, did not contribute to hair growth, suggesting that other compounds in the onion extracts were responsible for promoting hair growth. This indicated a need for further research to identify these active compounds.
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