GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK CU 50mg Vial Copper Peptide Pure Bio Labs GHK CU Copper Peptide SARMs Supplements GHK Cu 50MG Oneday Compounds Meet the ingredient your skin has been waiting for. GHK Cu, or Copper Tripeptide 1, is one of the most researched anti ageing actives in skincare. It firms. It renews. It supports collagen. And now Your skin heals better when your barrier is strong. Topical GHK Cu peptide helps support that process