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The Science Behind GHK-Cu and Skin Tightening The skin-tightening effects of GHK-Cu stem from its documented ability to stimulate production of the structural proteins that maintain skin firmness while simultaneously inhibiting their breakdown

These pens work well at all three injection sites but are particularly convenient for abdominal injection

However, there are limitations specific to this study in addition to its retrospective nature and relatively small proportion of patients treated with GLP-1 RAs

It mimics ghrelin and stimulates the pituitary through a separate pathway

Collectively, these studies paved the way for clinical investigation into the feasibility of using pharmacological inhibition of DPP-4 to improve glycaemic control in patients with T2DM