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Consistent topical use has been associated with improvements in the appearance of uneven tone and discoloration, suggesting that GHK-Cu copper peptide serum may help support a more balanced, refreshed-looking complexion over time
One study showed it blocked almost 90% of the enzyme that breaks down your GLP-1 hormone
If you're looking to buy GHK without copper, check the label carefully
Initial appetite suppression typically begins within the first week of treatment
We also checked in Phenoscanner to examine if the genetic variant(s) were related to the outcomes directly, rather than via carnitine
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