GHK Cu is a naturally occurring copper peptide that declines with age. At 20: abundant. By 60: you have 60% less. What it does: Stimulates collagen and elastin synthesis Promotes wound 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. Doasage Ghk Cu Protocol TikTok GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B