Ever heard of GHK Cu peptide? It's a naturally occurring copper peptide that helps repair tissue, stimulate collagen, and support skin healing. When used in injectable form, it works at a deeper level Absence of evidence isnt evidence of absence its a popular argument, but its not how we should be guiding treatment decisions. In this short, I respond to a comment about GHK Cu injections for Page 1 Reviews Neurogan Health, Copper Peptide GHK CU, 120 mcg, 60 Tablets, 0.52 oz (15 g) iHerb GHK Cu Scalp Foam Wells Pharmacy Network Peptides GHKCu Copper Peptide Therapy Skin & Healing Regeneration