Maintain working solutions near physiological pH where possible
These products are also largely unregulated
Common impurities to check include truncated peptide sequences (Gly-His or His-Lys fragments), residual coupling reagents and protecting groups, counterion residues, free (uncomplexed) GHK, and excess copper salts
How to Store GHK-Cu After Reconstitution Shelf Life & Temps Research from independent peptide stability studies found that without proper cold-chain management, up to 60% of reconstituted GHK-Cu degrades within the first 72 hours at room temperature
Clutter-Free Packaging Streamlined, sleek packets eliminate the need for large, messy bottles, keeping your space organized and hassle-free
Gray M, Zillioux J, Khourdaji I, Smith RP