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 Copper Peptide Skincare Routine: How to Layer Peptides Glimmer Goddess USA Copper Peptide GHK Cu Powder, DIY Blue Copper for Making the Best Face Cream GHK CU Program Calibrate Hydration USA Copper Peptide GHK Cu Powder, DIY Blue Copper for Best Skin 1g Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit