WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents GHK CU 50mg Injection, Packaging Type: Vial at 5000 box in Nagpur ID: 2857617432691 GHK CU, Why this audio? Because injecting feels like a constant wasp sting so it takes me about 15 seconds to pin .2 mL. I dread this shot every night for that reason. Also, it leaves me bruised, so I 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