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no direct stack RCT Typical use Combined skin/recovery research Format Generic "copper peptides" (cosmetics) What it is Various copper-binding peptides, not all GHK-based Evidence base Mixed
Human research is limited, though animal data is robust and consistent across multiple models
J Pharm Biomed Anal
The question is whether topical delivery is enough
In one study, obese Zucker rats received daily oral doses of AOD 9604 for 19 days
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