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When the research question specifically isolates these two mechanisms, adding GHK-Cu introduces confounding from its gene-expression and anti-inflammatory effects
It appears to selectively stimulate GH release without affecting cortisol, prolactin, or aldosterone
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that is the most common early complaint
Studies have shown that GHK-Cu at concentrations of 0.01, 1, and 100 nM significantly increased the production of elastin and collagen in human dermal fibroblasts, which are the cells responsible for building skin structure
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