4 citations
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January 2022 in “Journal of nanomaterials” Silver nanoparticles made from Ziziphus nummularia fruit extract promote hair growth and fight bacteria and fungi.
February 2026 in “The Animal Biology” Hirudo verbana extract improves hair growth and wound healing in rats.
January 2015 in “Farmatsevtychnyĭ zhurnal” The tincture made from nettle, sage, and horse chestnut in a 5:3:2 ratio is effective for treating telogen effluvium.
December 2023 in “Asian journal of beauty & cosmetology” 
March 2024 in “Nutrients” Gynostemma pentaphyllum and its component damulin B could help hair grow by activating certain cell pathways.
4 citations
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March 2017 in “Al-Mi’galaẗ al-sa'udiyaẗ lī-ulum al-ḥayaẗ” Leonuri Herba alkaloids may help treat hormone-induced enlarged prostate in rats.
1 citations
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December 2022 in “Current Issues in Molecular Biology” Annurca apple extract improved hair growth in mice and could potentially prevent hair loss.
January 2018 in “International Educational Applied Scientific Research Journal” The Rigenera method improved hair thickness and reduced hair loss in patients.
3 citations
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April 2016 in “Food Science and Biotechnology” Oriental melon leaf extract may help hair grow and keep it in the growing phase longer.
16 citations
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August 2004 in “Tetrahedron” Scientists made all eight versions of a compound called cyoctol, but found it's not an anti-androgen and it fully breaks down in the skin.