GHK Cu Topical Cream 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 GHK Cu is a peptide that helps improve skin by boosting collagen and healing damage. It can be used as a cream (topical) or an injection. The cream is great for wrinkles, scars, and hydration, but it FDA Approves New Weight Loss Drugs: 2026 Treatment Guide Biozek A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHK Copper Peptide GHK Cu Tripeptide 1