Understanding GHK Copper Peptides for Skincare GHK Cu Troche Strive Pharmacy PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction GHK Cu Copper Peptide: The Ultimate Peptide For Longevity 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 GHK Cu Youthful Skin, Healthy Cells, Vibrant You.