Copper Peptide Regenerating Serum for Glowing Skin and Hair Quicksilver Liposomal Copper GHK Alive and Well Shop 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK Amazon.com: TOSOWOONG Copper Peptide 12 Cream, 99% Purity of Copper Tripeptide 1, GHK Cu, 12 Multi Peptide Powerful Anti Aging Formula for Fine Lines, Firming, Skin Elasticity, Korean Skincare, 50ml 1.69 fl.oz. : Beauty Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum