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This is related to visible changes in the behavior and appearance of skin due to over-exposure to the sun, also called 'photo-aging'
Specific concerns include theoretical copper exposure with repeated systemic dosing, a conceptual contraindication in Wilsons disease and other copper-metabolism disorders, and the sterility and impurity risks of injecting research-grade material that is not a sterile pharmaceutical product
Copper peptides, particularly the extensively studied GHK-Cu compound, represent exactly this type of breakthrough, a scientifically proven approach to anti-aging that works in harmony with your skins biological processes rather than against them
Cohen, P
Blood (2021)
Recent animal research in 2025 explored its role in colitis, showing mucosal healing and reduced inflammation
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