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The peptide is often sold through unregulated channels as a 'research chemical' or unauthorised medicine, raising significant concerns about purity, dosage accuracy, and contamination

[18] Chen N, Yang M, Zhou M, Xiao J, Guo J, He L

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These are the mesenchymal cells clustered at the bottom of each hair follicle, and they essentially control whether that follicle grows hair or goes dormant