GHK Copper Peptide 99.7% Pure Powder for DIY Face and Hair Serums 1 gram jar TikTok Shop 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 How to Make a DIY Hair Peptide Serum Recipe Copper Peptide Ghk cu: DIY Skin & Hair Serum Etsy DIY] Weird Slime in DIY GHK Cu Peptide Serum HELP : r SkincareAddiction