GHK Cu Peptide Dosage How to Use Copper Peptides, Injections Neurogan Health 7% GHK Cu Accelerant 2 weeks in on GHK Cu and the glow is REAL. Brighter complexion More even skin tone Less breakouts Softer fine lines Thicker, fuller hair This is just Just started GHK Cu? Here's what to expect This isn't an overnight peptide, it builds Weeks 12: You may start noticing small shiftsskin feels a bit smoother, nails a little stronger Weeks 34: Ghk Cu Peptide Injection IV Vitamin Therapy GHK Cu Copper Peptide Benefits, Uses & Safety Intra V