GHK Cu: The Peptide That Supports Healthy Aging GHK Cu (copper peptide) is naturally occurring in the body and plays a role in supporting skin health, collagen production, and tissue repair. As Peptide Therapy & GHK Cu Regenerative Cream Calibrate IV Calibrate Hydration GHK Cu Scalp Foam Wells Pharmacy Network GHK Cu Copper Peptide Hair & Scalp Serum Is it necessary to cycle on and off of every peptide? The answer may not be as simple as you think, and it depends on *why* the peptide is being used. The GHK Cu