The Regenerative Potential of GHK-Cu in Aesthetic Medicine
Abstract
The age-related decline in tissue regenerative capacity drives demand for interventions restoring physiological repair mechanisms. Glycyl-L-histidyl-L-lysine-copper (GHK-Cu) has demonstrated significant regenerative, anti-inflammatory, and antioxidant properties in preclinical models, prompting its increasing integration into aesthetic practice despite a paucity of standardized clinical guidelines. This systematic review evaluates the efficacy, safety, and regenerative mechanisms of GHK-Cu in aesthetic medicine to clarify its clinical utility and inform future research. A systematic search of PubMed, Embase, and Cochrane CENTRAL was conducted from database inception through March 2026, following PRISMA guidelines. Eligible studies included clinical and preclinical models investigating GHK-Cu as a standalone intervention for aesthetic applications. 20 studies (18 preclinical; 2 RCTs) were included. Preclinical data consistently demonstrated that GHK-Cu enhances extracellular matrix synthesis (type I collagen and glycosaminoglycans), modulates metalloproteinase activity, and promotes angiogenesis and cellular proliferation. It also exhibited significant anti-inflammatory effects by suppressing TGF-β and IL-6. Clinically, GHK-Cu improved patient-reported satisfaction after laser resurfacing and significantly reduced wrinkle volume and depth compared with controls. Additionally, advanced delivery systems, including microneedles and liposomes, markedly improved its transdermal…
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