You started using a GHK Cu peptide serum on your face and now , The things no one tells you., Yes, the injections can hurt like a bitch. , Heres the thing Ive found it works even better topically, Sunki GHK Cu Jelly Mask YesStyle GHK Cu Copper Peptide Skincare Bundle RegenMed Direct week 3 of using GHK Cu peptide pin. If I take a photo with the same lighting? How much of a difference do you think there will be? #ghkcu #peptide #look #looksmaxing #glowup Copper Tripeptide (GHK Cu) for Advanced Skincare & Haircare Formulatio