GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more, , , Heres what it can do:, Boost collagen for smoother, firmer skin, Anti aging improves fine GHK CU Ideally You Health & Weight Loss Center Hyperpigmentation no more? GHK Cu Users Share Their Stories Aseir Custom GHK Cu (Copper Tripeptide Serum) in Santa Barbara, CA Eternity Health Partners Copper Peptides Serum for Face 2% GHK CU & 4% EGF 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