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From weekly injections to newer oral options, the focus is moving toward effective and patient-friendly treatment
A GHK-Cu serum should list the peptide concentration (look for 1% or higher) and the rest of the ingredient list has to be short
10.1074/jbc.M112.431973 J
But the full range of how patients experience these drugs in the real world is still coming into focus
Science 245: 417420
A few ingredient interactions to know: Do not layer copper peptides simultaneously with retinol, vitamin C, or alpha hydroxy acids (AHAs) like glycolic acid
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