Overview: GHK-Cu is a naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine) studied extensively in dermal fibroblast and extracellular matrix research. It is intended strictly for in vitro and laboratory research applications. Contents: 50mg and 100mg lyophilized vials of GHK-Cu copper tripeptide supplied as sterile lyophilized powder. Purity: >99% (batch-specific COA reports 99.753% purity via HPLC analysis). Quality Assurance: • Independent third-party testing on every batch • HPLC purity verification and mass-spectrometry identity confirmation • Manufactured under stric