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Domestic sourcing also typically provides faster delivery and easier communication if issues arise

Absorbance was read at 450 nm using a Varioskan Lux microplate reader (Thermo Scientific, Vantaa, Finland), and SOD activity was calculated as described by the manufacturer

The compound is a small molecule rather than a peptide

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One of the most recognized copper peptides in cosmetic science, GHK-Cu is commonly incorporated into formulations intended to support the appearance of smoother, firmer and more revitalized-looking skin