The science around peptides, light based wellness technology, & cellular support is becoming one of the biggest conversations in the wellness space right now. What are your thoughts on GHK Cu & Defy GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin Copper Tripeptide (GHK Cu) for Advanced Skincare & Haircare Formulatio GHK Cu, commonly known as copper peptides, are found naturally within the human body where they play a vital role in skin repair and maintenance. Copper peptides support optimal skin function by helping 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 GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration