Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare GHK CU 107MG Thrive Peptides PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r SkincareAddiction 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 you're GHK CU Program Calibrate Hydration 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