GHK Cu 50mg Dosage Protocol PeptideDosages.com Comment COPPER and I'll send you the exact copper brands I use myself, plus a fabulous podcast explaining what GHK Cu is and how it works. #copper #ghkcu #biohacking #menopause #perimenopause How much GHK Cu should I inject daily? 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