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 Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK Cu Injectable Team Wellcore GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK CU 50mg Peptify 1% GHK CU solution: is this applied directly on skin or diluted further? : r DIYaesthetics