91 citations
,
May 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
15 citations
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May 2020 in “BMC complementary medicine and therapies” Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
51 citations
,
September 2013 in “Bioorganic & Medicinal Chemistry Letters” Compounds from Polygonum multiflorum root, especially a new one, can boost hair growth more effectively than common treatments.
October 2017 in “The American journal of gastroenterology” Taking He Shou Wu (Polygonum multiflorum) caused liver injury in a woman using it for hair loss.
April 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)”