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Dividing and senescent cells were treated with the peptides, and the cell viability was measured using the MTS assay, with the IC 50 values determined accordingly

Mass Spectrometry ID Mass Spectrometry is used to confirm molecular identity and structural integrity for every compound

Research-grade GHK-Cu should have batch-specific Certificates of Analysis showing third-party HPLC purity testing and mass spectrometry molecular identity confirmation

In cosmetic formulas, it tightens and firms loose skin, minimizes fine lines and wrinkles, reduces sun damage and discoloration, and boosts skin cell growth for a more youthful, radiant look