GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? Fraley What's the difference between GHK Cu (copper peptide) as a topical cream vs an injection? In this video I break down: What GHK Cu is and why it's used in anti aging skincare Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule GHK Cu (Copper Peptide) Provider Supervised Therapy IV Glow Bar