GHK Cu Topical Cream GHK Copper Peptide GHK Cu Tripeptide 1 GHK Cu GHK Cu is not Botox. It does not freeze a single muscle. It works because it works at the matrix level. GHK Cu stimulates collagen and glycosaminoglycan synthesis, modulates the matrix metalloproteinases that govern Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Cu Peptide Before and After Results