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GHK-Cu peptide continues to be studied in research settings focused on extracellular matrix signaling pathways, copper-dependent peptide interactions, and coordinated molecular response systems under controlled laboratory conditions
On top of that, the injectable form carries the same practical drawbacks as other injectable peptides: needles, sterile reconstitution, refrigeration, degradation after mixing, and the ongoing friction of maintaining a regular injection routine for benefits that build gradually over months
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