Amazon.com: QUBIT GHK Cu Copper Peptide Supplement for Skin & Hair, Easy to Absorb, Precisely Dosed 90 Vegan Capsules : Health & Household GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has GHK Copper Peptide GHK Cu Tripeptide 1 GHK Cu Topical Cream Not all peptides are created equal. And not all peptide sources are safe. At Synergy, every protocol starts with a complimentary consultation with a provider who actually knows what they're doing. Copper Peptide Regenerating Serum for Glowing Skin and Hair