The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline 6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates GHK Cu Peptide The benefits, side effects, and more [2026] GHK Cu is getting a lot of attention right now, and for good reason. This is not just a skin peptide. It's a copper binding tripeptide with documented effects on gene expression, collagen synthesis, Lyophilisation Process Explained Imperial Peptides UK