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Description
A common research framing is a defined block (often 812 weeks) followed by an off period, rather than indefinite continuous use a conservative default given the absence of long-term human data

These typically resolve within the first week

The clinical evidence for topical GHK-Cu is anchored by Pickart's landmark studies

This comparison synthesizes published clinical trial data into a single reference

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Avoid freezing, as freeze-thaw cycles degrade the peptide
