All About GHK Cu Peptide More Than Just Cosmetic GHK Cu Focal Point Vitality GHK Peptide Injection and GHK Cu Benefits, Uses ,safety If your GHK Cu or MOTS C injection leaves welts and burns like a hornet, it's usually not the peptide it's the technique. A few small tweaks can turn a sting into almost Amazon.com: Copper Peptides Serum for Face Peptides Collagen Renewal & Anti Aging Serum GHK Cu, EGF, Hyaluronic Acid,Collagen Anti Wrinkle, Firming, Moisturizing Korean Skin Care,25mL 0.88 Fl Oz : Beauty & Personal Care