The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds, Ghk cu and skin peptides (topical) Skin regeneration and wrinkle reduction Longevity Protocols Exploring the Role of Tripeptides in Wound Healing and Skin Regeneration: A Comprehensive Review GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer Copper GHK + Facial Serum Kizer Wellness LLC