GHK-Cu (Copper Peptide) 50mg — Kit Box
Pharmaceutical-grade GHK-Cu copper peptide (50mg per vial). Lyophilized 10-vial kit verified by UHPLC-MS.
Mechanism of Action: Tripeptide-copper complex modulating dermal matrix remodeling, collagen I/III synthesis, and antioxidant superoxide dismutase expression.