GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B GHK Copper Peptide GHK Cu Tripeptide 1 GHK Cu for hair growth does it actually work?, Short answer: no., GHK Cu can be great for skin , but when it comes to hair growth, the evidence just isnt there., And this isnt just theory., As a 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