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 Skin Transformation Before And After Copper Peptide Supplier for Skincare Flychem's B2B Guide Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference What Is GHK Cu Peptide Serum and Why It's Changing My Skin at 42