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GHK-Cu vs Adjacent Categories Format Topical GHK-Cu (cosmetic) What it is Copper Tripeptide-1 in serums and creams Evidence base Strongest human evidence (Leyden 2002, NEEL 2023) Typical use Daily anti-aging skincare Format Injectable GHK-Cu (research-use) What it is Reconstituted vial, SubQ injection Evidence base Mostly preclinical
Not just longer but better quality on my ring Rated 5 out of 5 Elena This helped me lean out without losing curves, and my skin looks firmer too plus really good sleep Rated 5 out of 5 Zee This combo fixed my sleep And when your sleep is fixed, everything changes
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the difference between AOD-9604 arms and placebo was not statistically significant at either point, and development was terminated
