GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget Is Copper Peptide (GHK Cu) Serum The Best Way to Rejuvenate Your Skin? Just started GHK Cu? Here's what to expect This isn't an overnight peptide, it builds Weeks 12: You may start noticing small shiftsskin feels a bit smoother, nails a little stronger Weeks 34: GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B