Strive GHK Cu 10mg Tablets Systemic Copper Peptide Support Strive Shop Neurogan Health, Copper Peptide GHK CU, 120 mcg, 60 Tablets iHerb Copper Peptide Ghk Cu 99% Skin Care Ghk Cu 50mg 100mg vials Cosmetic Ingredient GHK GHK CU and blue copper 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