GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK CU 50 mg LIVV Amazon.com: GHK Cu Copper Peptide Supplement, Anti Aging & Hair Growth Support, Improves Skin Elasticity & Firmness, Thicker, Fuller Hair, Easy Absorption, Precisely Dosed, 90 Vegan Capsules : Health & Household 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 GHK Cu Peptide: Benefits, Uses, and Why it's Known as the Regenerative Copper Complex