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copper tripeptide-1 vs ghk-cu Peptide – Peptagon Improves texture and depth of wrinkles around eye area CDF Copper Tripeptide-1 Advanced |
Description
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These effects generally indicate either starting doses too high or individual sensitivity

The "Cu" in GHK-Cu stands for copper, which means it's the copper-bound form of the GHK peptide

Biochimie 88:10751089
