Articles
Long-form pieces on what the published GHK-Cu record actually contains. Every article closes with the primary sources it draws on.
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Where the '95% pure' number for GHK-Cu comes from
A purity figure gets quoted about GHK-Cu all the time. We traced it to a 2014 cosmetic safety review — where the body of the document attributes it to a different molecule, and the summary of the same document attributes it to GHK-Cu. Both cannot be right.