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PMC 11228880

Statements Author contributions YW: Conceptualization, Investigation, Resources, Writing original draft, Funding acquisition, Writing review & editing, Project administration, Data curation, Formal analysis, Methodology

doi: 10.7150/ijbs.85674 130 ShenJSanWZhengYZhangSCaoDChenYet al

The mainstream copper-biology research community and the broader peptide research community have engaged with the GHK-Cu literature at various points, but the depth of independent characterization outside the Pickart-affiliated research has been variable

Key Takeaways Collagen does the structural work think elasticity, hydration, and those fine lines that show up under harsh lighting Glutathione is more about what you see: brightness, even tone, less of that dull pigmentation that sneaks up over time Together, they're not competing