Neurogan Health Copper Peptide GHK CU, 120 mcg, 60 Tablets : Target GHK Cu Copper Peptide Troche Skin, Collagen & Healthy Aging AgeMD 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 The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHK Cu Peptide Copper Tripeptide (Oral Capsules) Perfectly Healthy SA