Why Use BPC 157+ GHK Cu Face Serum for Skin Repair? GHK Cu is a regenerative peptide studied for its role in collagen support, tissue repair and inflammatory balance. As natural levels decline with age, interest in its broader biological impact continues to grow Real results with GHK Cu Copper Peptides., This serum visibly fades acne scars and dark marks, rebuilds collagen, firms skin, and delivers deep hydration that plumps instantly., Dermatologist tested. Let's talk about GHKU CU GHK Cu: The Regenerative Glow Peptide GHK Cu (Copper Peptide) is a naturally occurring peptide in your body that plays a powerful role in cellular repair, skin