If you're using GHK Cu and it stings a little (which is common) this one's for you In this reel I'm sharing the small tweaks that have helped me make peptide injections The Best Injection Sites for GHK Cu Peptide Therapy GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? 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 GHK Cu Peptide Benefits (And a Few Risks) Explained