GHK Cu for Skin Rejuvenation WeCare Pharmacy Exploring the Role of Tripeptides in Wound Healing and Skin Regeneration: A Comprehensive Review Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026)