One of my favorite peptides is GHK Cu. It has made such a dramatic impact on my skin in just one cycle I've been shocked! It supports collagen, healing, and overall skin GHK Cu Copper Peptide: The Ultimate Peptide For Longevity Copper Peptide GHK Cu Copper Peptide Copper Peptide Skincare Routine: How to Layer Peptides Glimmer Goddess The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget How GHK Cu Strengthens Hair Follicles to Combat Hair Loss HapiPatch