GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia GHK CU aka the beauty peptide. I've got the reconstitute and dose chart at the end for reference. Where I purchase mine from Elite Peptides Australia Discount code WISHY10 (because who doesn't love GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health What is the recommended dosage of GHK Cu (Glycyl Histidyl Lysine Copper) for topical treatment of acne and skin health on the face? 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, Peptide dosing Synthagen PL