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Conservative researchers discard any vial left at room temperature for more than 1-2 hours
Assess Your Reconstitution and Storage Improperly reconstituted or stored GHK-CU can degrade, releasing free copper ions that cause irritation without providing benefits
GHK-Cu is one of the best-known copper peptides, but some formulas use other copper complexes or blends with different feel and stability, so the label matters
Studies indicate potential neuroprotective effects, with research showing the peptide may protect against various neurotoxic insults and support dopaminergic system function
Unlike the broader peptide storage question, BPC-157 has specific stability characteristics that researchers should understand