The 0.9% benzyl alcohol prevents bacterial growth for up to 28 days after first puncture, which is why bacteriostatic water is strongly preferred over sterile water for multi-dose peptide vials
Store immediately in the refrigerator
The peptide attracts immune cells to wound sites, stimulates blood vessel formation, promotes fibroblast proliferation, and accelerates collagen deposition
Instead, GHK-Cu appeared to act as a broad-spectrum homeostatic regulator, capable of resetting gene expression patterns in cultured cells towards those characteristic of a younger, more regenerative state
PubChem (2026) 9
"Gastrointestinal tolerability of amylin analogues and GLP-1 receptor agonists: Mechanisms and management strategies." Diabetes, Obesity and Metabolism , 25(8), 2156-2168