Peptide Therapy & GHK Cu Regenerative Cream Calibrate IV Compounded GHK Cu Cream: The Copper Peptide Breakthrough for Skin Repair & Anti Aging Restorative Compounding Pharmacy + Wellness The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds, GHK Cu, commonly known as copper peptides, are found naturally within the human body where they play a vital role in skin repair and maintenance. Copper peptides support optimal skin function by helping GHK CU serum? Has anyone heard of or used this recently? : r DIYaesthetics Copper Peptide Regenerating Serum for Glowing Skin and Hair