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you potentially create reactive oxygen species
GHK-Cu activates Wnt/beta-catenin (triggering new growth) and suppresses TGF-beta1 (slowing loss)
International Journal of Cosmetic Science 27(3):155-160. [doi.org]
For men experiencing hormonal shifts alongside other aging-related concerns, a comprehensive approach might combine peptide protocols with evaluation for hormone imbalance in men, since declining testosterone and growth hormone levels share several downstream effects with cellular aging
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