GHK CU NASAL Power Peptides 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, MELAO GHK CU Copper Peptide Hair Growth Essence Spray Activates Hair Follicles, Promotes Hair Growth, Strengthens Hair Roots, and Prevents Hair Loss; Suitable for Both Men and Women 50ml Best Price TB 500 BPC 157 GHK Cu (10 10 50 MG) Sigma Compounds