Full honest & unfiltered experience with GHK Cu 1 month after completing a 12 week cycle: Weeks 12: No noticeable changes. Weeks 34: Skin rash (rib area) worsened. Weeks 56: Extreme dryness, flaking, GHK Cu Copper Tripeptide 1 Research Reagent Everything you need to know about GHKCU pinning and where to get yours #ghkcucopperpeptide #ghkcu #glowpeptide #peptidepinning If your GHK injection site gets irritated try this , 1. Dilute it by adding more water to the syringe , 2. Let it sit until it reaches room temperature , Also, make sure youre rotating injection