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In studies using human fibroblast senescence models, the contents of the product were dissolved and added to the culture system at various concentrations
The FDA has raised concerns about whether these alternative salt forms provide equivalent bioavailability and therapeutic effect
Unlike exfoliating actives, copper peptides work by supporting the skins natural repair mechanisms rather than forcing rapid turnover
GHK-Cu does not drive accelerated cell turnover, which is the underlying mechanism of retinol purging
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