Before you decide to begin using the copper peptide, GHK Cu, be aware it stings and leaves behind big, red welts that then leave a lovely bruise. , In order to reap the glow benefits, you need to GHK Cu Peptide Dosage How to Use Copper Peptides, Injections Neurogan Health 7% GHK CU ACCELERANT Platinum Skin Care Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum 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 Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn