66 citations
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August 2001 in “Experimental Dermatology” Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.
5 citations
,
January 2021 in “Journal of Saudi Chemical Society” Watercress oil may promote hair growth by activating specific receptors.
7 citations
,
December 1987 in “Fertility and sterility” The vellus index is a simple, quick, and reliable method to assess and monitor hair growth, especially in hirsutism.
91 citations
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April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
41 citations
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July 2015 in “Current Drug Discovery Technologies” Some plants may help with hair growth and have fewer side effects than synthetic drugs, but more research is needed to confirm their effectiveness.
36 citations
,
February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
30 citations
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September 2003 in “Experimental Dermatology” Minoxidil helps prevent stress-caused hair loss in mice.
25 citations
,
January 2002 in “Folia Pharmacologica Japonica” Minoxidil helps hair grow by improving blood flow and increasing growth factors in hair follicles.
20 citations
,
December 2015 in “Journal of Pharmacopuncture” Thread-embedding therapy helped hair grow back in mice and might do the same in humans.
19 citations
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May 2020 in “Cells” Substance from human umbilical cord blood cells promotes hair growth.