GHK-Cu — Research Peptide (Lyophilised, HPLC ≥99%)

Glycyl-L-histidyl-L-lysine chelated with copper(II). Supplied as a deep-blue lyophilised cake with verified copper loading for dermal-fibroblast culture and topical formulation prototyping. CAS 89030-95-5. For laboratory research use only — not for human consumption.