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, Copper Peptide Serum Benefits: Complete Guide to GHK Cu Glimmer Goddess Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference Mistakes Mixing GHK CU Peptides with Hyaluronic Acid GHK Cu Scalp Solution Empower Pharmacy