ghk cu uglies Avoiding the “copper uglies” with GHK-CU really comes down to your dosing. More is not always better, and starting low is key. I always recommend doing your own research, talking with your doctor, and My experience with the copper
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It's also about how long your protocol needs to run before results become visible
doi:10.1177/1071100717718131
Copper Peptide Face Cream - Topical

Published research/clinical protocols have reported daily dosing ranges such as
