What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Peptides and How Can They Help You Natasha Motongo, APRN, Austin Urology Institute GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026) Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule 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