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How AHK-Cu Works: The Biological Mechanisms This study identified two distinct pathways through which AHK-Cu promotes hair growth: 1

Low doses of 3-aminobenzamide, a poly(ADP-ribose) polymerase inhibitor, stimulate angiogenesis by regulating expression of urokinase type plasminogen activator and matrix metalloprotease 2

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There is no standardized product to study, which is part of why the evidence base is so thin
