July 2025 in “Scientific Reports” Serotonin helps hair grow by activating certain cells.
August 2025 in “Biomolecules” Fibroblast growth factors could be a better, safer treatment for hair loss than current options.
5 citations
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March 2022 in “Frontiers in Medicine” PRP is effective for treating hair loss, especially with other treatments.
14 citations
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February 2021 in “Experimental Dermatology” Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.
506 citations
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January 2012 in “Molecular and Cellular Endocrinology” Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.