GHK Cu Body Lotion 5000mg, Copper Peptide, 8oz Neurogan Health GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic Copper uglies = temporary. When you start GHK Cu, you can get a spike in free copper breakouts, texture, irritation. It's not the peptide failing. It's your body adjusting. Happens fast Copper peptides: What are they and what do they do for skin? Unlocking the Secrets of GHK Cu: The Revolutionary Peptide for Youthfu