Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 Not all copper peptide serums are formulated the same Before you buy one, make sure you're actually getting pure GHK Cu at the right concentration not just a diluted blend. We spent Effectiveness of Copper Tripeptide 1 for Hair Growth Divi GHK Cu (Copper Tripeptide 1) activates your skin's natural healing pathways, boosting collagen, elastin, and glycosaminoglycans. Reduce wrinkles, fade discoloration, and enhance firmnessall with one bioactive peptide backed by clinical science Expression and Purification of Recombinant GHK Tripeptides Are Able to Protect against Acute Cardiotoxicity from Exposure to Waterborne Copper in Zebrafish