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 Before and After: See Fine Lines and Wrinkles Fade Fast Buy Glow Peptide Online GHK Cu + BPC 157 + TB 500 Copper peptides explained what are the differences between copper peptides and GHK CU peptides? What they actually do for the skin in terms of repair and collagen, and what you can and cant mix