GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Focal Point Vitality 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 Copper Peptide Serum for Hair Regrowth & Thinning Hair Feline Skinscience GHK Copper Peptide GHK Cu Tripeptide 1 Cu Peptide Before and After: What to Expect for Skin and Hair