5 citations
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September 2020 in “Molecules” Extracts from three Polynesian plants were found to promote hair growth by affecting cell growth and gene expression related to hair.
April 2026 in “International Journal of Biological Macromolecules” 
December 2022 in “International Journal of Research in Dermatology” Growth factor concentrate therapy helps manage hair loss.
March 2023 in “Chemical biology & drug design” Panax notoginseng saponins help hair growth in mice.
1 citations
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January 2022 
1 citations
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July 2023 in “Chinese Medicine” Shi-Bi-Man, a Traditional Chinese Medicine, helps grow hair by boosting lactic acid metabolism and activating hair follicle stem cells.
January 2024 in “Biomaterials Research” The new 3D system helps test hair growth treatments effectively.
The PTH-CBD injection improved hair regrowth better than the daily ruxolitinib pill in mice.
2 citations
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August 2018 in “Korean Journal of Plant Resources” Oregonin from Alnus japonica may help prevent hair loss and promote hair growth.
The best mix of propylene glycol and sorbitol was found for a cream to prevent hair loss using saw palmetto extract.