GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK CU ACETATE Topical Foam Compounded GHK Cu Peptide Serum 30 ml, Copper Peptide Serum with Hyaluronic Acid for Tightening, Collagen Boosting Glowyour way. Meet GHK Cu, our glow enhancing copper peptidenow available in both a luxe topical cream and an injectable option, personalized to how you want to elevate your results. This is the