GHK Cu Peptide Serum 30 ml, Copper Peptide Serum with Hyaluronic Acid for Tightening, Collagen Boosting REVIVE. RESTORE. REBALANCE. Our high grade, clinically driven Copper Peptide Serum is expertly formulated using premium quality GHK Cu, making it a trusted choice for those seeking results led, professional skincare. Now recognised as one This advanced peptide serum, powered by GHK Cu (Copper Tripeptide 1), is designed to visibly rejuvenate and refine your skin. Formulated with a bioactive brightening peptide complex, it helps improve Amazon.com: GHK Cu Copper Peptide Serum Anti Aging Face Serum for Skin Firming, Wrinkle Reduction, Hydration & Collagen Boosting, 30ml(1 fl oz) : Beauty & Personal Care Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3 Dr. Brenner Labs