GHK Cu Copper Peptide Collagen Boost & Skin Regeneration Calibrate Hydration Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram Copper Tripeptide (GHK Cu) for Advanced Skincare & Haircare Formulatio GHK Cu (Copper Peptide) is a naturally occurring copper complex that decreases significantly as we age. This powerful peptide is known for its ability to upregulate the production of collagen and elastin, making Synergy of GHKCu and hyaluronic acid on collagen IV upregulation via fibroblast and exvivo skin tests Jiang 2023 Journal of Cosmetic Dermatology Wiley Online Library