GHK Cu Copper Peptide Shampoo Anti Hair Loss Promotes New Hair Growth eBay How to Mitigate GHKCU Burn and Stinging Effectively GHK Copper Peptide GHK Cu Tripeptide 1 GHK Cu Focal Point Vitality 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