Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu YouTube The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Ever heard of GHK Cu peptide? It's a naturally occurring copper peptide that helps repair tissue, stimulate collagen, and support skin healing. When used in injectable form, it works at a deeper level Absence of evidence isnt evidence of absence its a popular argument, but its not how we should be guiding treatment decisions. In this short, I respond to a comment about GHK Cu injections for GHK Cu Revival Clinic GHK Cu Injectable Team Wellcore