Essential GHK Cu Serum: What It Is, How It Works, and Why It Matters f Bacteriostaticwater.com Amazon.com: GHK Cu Peptide Copper Peptides Serum for Face Topical GHKCu with Hyaluronic Acid for Healthy Aging Multi Peptide Formula to Promote Collagen Support Fine Lines Firming Skin Elasticity Hydration : Beauty Best GHK Cu Peptide Cream Texas InjectCo Aesthetics Cellular Glow Copper Peptide GHK Cu Serum for Face skin concerns] I've been using the Ordinary Buffet copper peptides for about a week and today I've noticed dry flaky skin on my eyelids and under my eyes. This is the only GHK Cu Glow Peptide Stack for Skin Rejuvenation Jennifer R. Berman MD