GHK-Cu | Dosage Peptide 🧪 Copper Tripeptide • Skin Repair GHK-Cu (Copper Peptide) Naturally occurring copper complex of the tripeptide Gly-His-Lys. Best known for skin repair, wound healing, and cosmetic anti-aging. Discovered in 1973 from human plasma. Blue solution Sequence G-H-K + Cu²⁺ INCI Copper Tripeptide-1 Route Topical 📉 Declines with age: Plasma GHK-Cu is […]