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 Copper Peptide: The Ultimate Peptide For Longevity Subcutaneous Injection: What It Is and How to Give One 7.4 Subcutaneous Injections Clinical Procedures for Safer Patient Care Injection Site Pain Genoskin Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule