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The Human Hair Follicle "In Vitro" Study (2007) Study: The effect of tripeptide-copper complex on human hair growth in vitro Publication: Archives of Pharmacal Research (2007) This study is the cornerstone of copper peptide research in trichology, specifically focusing on AHK-Cu

Therefore, a possible mechanism proposed by the authors is that the activation of the farnesoid X receptor (FXR) by exendin-4 stimulates the expression of FGF15 in the small intestine and inhibits the expression of cytochrome P450 family 7 subfamily A member 1 (Cyp7a1) in the liver through fibroblast growth factor receptor 4 (FGFR4), thereby reducing fecal bile acid excretion and liver bile acid synthesis [75]

GLP-1 agonists and hair loss: a call for further investigation

And for female fertility