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 GHK Cu Peptide Copper Tripeptide (Oral Capsules) Perfectly Healthy SA How to Measure and Inject GHK Cu (Copper Peptide for Skin and Tissue Repair) YouTube Injectable GHK Cu: Beginner's Guide to Copper Peptide GHK CU 50mg Injection, Packaging Type: Vial at 5000 box in Nagpur ID: 2857617432691 GHK Cu Peptide Regenerative & Cosmetic Research