20 citations,
September 2015 in “Protein expression and purification” Scientists made safflower seeds produce a human growth factor that could help with hair growth and wound healing.
Platelet-rich plasma helps human hair cells grow and survive better.
Fructus Ligustri Lucidi water extract helps hair growth by promoting cell survival and activating specific pathways.
January 2011 in “한국미용학회지” Fructus Ligustri Lucidi water extract may help hair growth by promoting cell survival.
28 citations,
March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.