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 Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Longevity: Functional Medicine for Optimal Health and Wellness The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHK Cu Copper Peptide Injections: Advanced Skin Rejuvenation Copper Peptides for Skin: The Science, Benefits, and Best Practices Hubmed