Ghk Protocol Peptide Dosage Chart Details TikTok Ultimate GHK Cu Protocol for Skincare Benefits TikTok Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health 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. 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