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    GHK-Cu in skin-research literature — copper-peptide mechanism

    GHK-Cu shows up a lot in copper-peptide skin-research literature. I'd like a thread that separates the mechanism papers from the marketing copy that borrows their language.

    Mechanism, models, and analytical handling only. If you've read a solid review on the copper-complex chemistry, that's exactly the kind of citation I'm after.

    Finally a thread that separates the copper-complex chemistry from the serum-ad language. The mechanism literature is genuinely interesting on its own without borrowing marketing adjectives.

    Good distinction to draw. When citing here, note whether a paper is in-vitro, ex-vivo, or animal — the copper-peptide skin literature spans all three and the marketing copy tends to flatten them into one confident sentence.

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