February 2026 in “International Journal of Molecular Sciences” 3-Hydroxypropionic acid may help treat hair loss by promoting hair growth in cells.
83 citations
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July 2004 in “Pharmacology Biochemistry and Behavior” Higher 3α,5α-THP levels in the brain may reduce depression in pregnant rats.
20 citations
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August 2015 in “International Journal of Molecular Medicine” Human placental extract may help hair growth by affecting certain cell signals and could be more effective with minoxidil.
36 citations
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December 2002 in “Experimental dermatology” Barley extract, specifically procyanidin B-3, can promote hair growth and counteract growth inhibition.
20 citations
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July 2015 in “Journal der Deutschen Dermatologischen Gesellschaft” Green tea may help with skin health and protect against UV damage, but more research is needed to confirm its safety and effectiveness.