Peptides for Plastic Surgery: Weight Loss, Skin, Healing & Recovery Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms A year ago I started working with a copper peptide called GHK Cu. Topically every night. And under my doctor's care, I went deeper than topicals with a low dose. The difference in