day 1 vs. week 1 : GHK CU, Going to be doing weekly updates on my overall skin complexion elasticity. So far Ive been loving the benefits GHK CU has to offer as far as producing major collagen GHK Copper Peptide Concentrate, cumpr ingredient cosmetic BPC 157+GHK Cu Face Serum Skin Repair & Hydration Pure Tides Therapy 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime Organic Copper Peptide GHK Cu Anti Aging Moisturizer Lightweight Hydrating Cream GHK Cu is getting a lot of attention right now, and for good reason. This is not just a skin peptide. It's a copper binding tripeptide with documented effects on gene expression, collagen synthesis,