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For your skin, it means the production of vital proteins like collagen and elastin slows way down

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The decision to buy GHK-Cu peptide from PSPeptides specifically reflects the importance of quality control in research: sub-standard purity or incorrect copper chelation can yield experimental results that dont reflect true GHK-Cu biology

Because it is so central to our internal health, many people seek to supplement it, especially as natural production tends to decline with age or increased environmental stress

Knowing this helps set realistic expectations