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The lack of immunogenicity has practical implications: the peptide can be used for extended periods without loss of efficacy due to antibody neutralization, there is minimal risk of allergic or hypersensitivity reactions, and repeated treatment cycles are supported as prior exposure does not sensitize the immune system
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GHK-Cu is a naturally occurring copper-binding tripeptide that has been examined for its potential regulatory role in gene expression, extracellular matrix synthesis, and oxidative stress modulation
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