Raw Copper Peptide Powder for Anti Aging How to Use & Benefits of GHK CU for Aging & Hair Growth GHK Cu Face Serum 1200MG Lab Tested & High Potency Neurogan Health 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 Copper Peptide Powder DIY Cosmetic Ingredient Blue GHK CU Face Hair 99% Pure eBay What Is GHK Cu? How It Works in Research and Quality Signals