ghk cu peptide injection before and after 12 weeks in, my skin has NEVER looked better! peptides are doing their thing. Alright, I need to give you an update—it's been 12 weeks since I started using GHK GHK-CU Before and After Pictures
Description
Dorn GW 2

Some historical protocols suggested breaks of several months between cycles to observe long-term biomarker changes
Cell 142, 387397

doi: 10.1210/jc.2004-2190
