Protein, zinc, vitamin C, and overall nutrition affect collagen synthesis
2007 reported that GHK-Cu stimulated dermal papilla cell proliferation up to 70% in vitro
Avoid Vitamin C, AHAs, or strong actives during the healing window
During our review process, we also evaluated several commercially available GHK-Cu products and research-grade suppliers, including Koi Peptides, for formulation transparency, purity testing, and manufacturing standards
But if you want to give it a try, you can move ahead with your discretion, as it poses no threat to your skin and overall health
Copper peptides are generally well tolerated, but as with any ingredient they are not totally risk-free