25 citations,
January 2011 in “Pharmacognosy magazine” Nardostachys jatamansi DC compounds help promote hair growth.
9 citations,
January 2009 in “International Journal of PharmTech Research” The polyherbal oil with Eclipta alba, Hibiscus rosa sinensis, and Nardostachys jatamansi was found to be highly effective in promoting hair growth, better than minoxidil.
4 citations,
September 2018 in “Rendiconti lincei. Scienze fisiche e naturali” Researchers concluded that "spigo nardo" is the Himalayan plant Nardostachys jatamansi, used historically in medicine and cosmetics, now critically endangered.
January 2023 in “Han'gug mi'saengmul saengmyeong gong haghoeji/Han-guk misaengmul saengmyeong gonghak hoeji” NOC-4 extract promotes black hair and hair growth effectively.
December 2018 in “Journal of Medicinal and Aromatic Plant Sciences” Some plants like Eclipta alba, Nardostachys jatamansi, and Rumex japonicus may help hair growth.