Compounded GHK Cu Cream: The Copper Peptide Breakthrough for Skin Repair & Anti Aging Restorative Compounding Pharmacy + Wellness 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 Private Label Advanced GHK Cu Copper Peptide Face Cream Anti Age Improve Elasticity Blue GHK Copper Peptides Powder Moisturizer Buy GHK CU (Copper) (50mg) Biotech Peptides GHK Cu 7% GHK Cu Cosmetic Ingredient Accelerant Skin Biology 15 ml