DIY] Weird Slime in DIY GHK Cu Peptide Serum HELP : r SkincareAddiction DIY GHK Cu Serum at Home Anti Aging Hack That Actually Works! Want smoother, healthier looking skin without breaking the bank? In this video, I show you how to create your own GHK Cu GHK Copper Peptide: A Guide to Beautifying Skin and Hair Not all Copper Peptides are created equal If you've tried copper peptides before and saw no change, here is why: Concentration and Stability. Most serums use a diluted solution that barely scratches DIY] Weird Slime in DIY GHK Cu Peptide Serum HELP : r SkincareAddiction