GHK Cu LVLUP Health GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026) Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum GHK Cu is a copper peptide used in regenerative medicine to support collagen production, tissue repair, and cellular renewal throughout the body. It's for individuals looking to improve skin firmness, brightness, and visible 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