Research note
GHK-Cu: what the evidence check says
A plain-English research note for the reviewed claim: GHK-Cu improves skin appearance.
What was reviewed
GHK-Cu improves skin appearance.
What the evidence check says
GHK-Cu has mechanistic and review-level support for skin-regeneration pathways, but public claims should stay formulation-specific and should not imply that every copper peptide product has proven clinical effects.
What this does not mean
This note is educational. It does not provide dosing guidance, protocols, buying advice, or personalized medical advice.