Copper Peptides Serum for Face 2% GHK CU & 4% EGF Seraphime Neurogan Health Copper Peptide GHK CU , 120 mcg, 60 Tablets, 0.52 oz (15 g) eBay 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 GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even