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 Two Weeks on GHK CU by Rory Uphold The Ladies Room GHK Cu Peptide in Dubai Skin Repair, Collagen, and Regeneration GHK Cu Injectable Team Wellcore GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic