Aesthetics Infinity Medical Institute Pptido de cobre GHK GHK Cu Tripptido 1 Amazon.com: Lovely Southern GHK Cu Peptide Serum 1.5% Copper Peptides Anti Aging Facial Serum for Fine Lines, Skin Elasticity, Made in USA, 1 Fl Oz : Beauty & Personal Care 7% GHK CU ACCELERANT Platinum Skin Care Not all Copper Peptides are created equal If you've tried copper peptides before and saw no change, here is why: Concentration and Stability. Most serums use a diluted solution that barely scratches