Ingredient or product comparison
GHK-Cu Stability: Reconstitution vs Storage Comparison
Refrigerated (2–8°C), amber vial, minimal headspace 28–30 days Slow oxidative degradation, minimal copper dissociation Standard storage for routine research use. Ideal balance of accessibility and stability Room temperature (20–25°C), clear vial 10–14 days Acc
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- Refrigerated (2–8°C), amber vial, minimal headspace
- 28–30 days
- Slow oxidative degradation, minimal copper dissociation
- Standard storage for routine research use. Ideal balance of accessibility and stability
- Room temperature (20–25°C), clear vial
- 10–14 days
- Accelerated oxidation, photolytic cleavage, pH drift
- Avoid entirely. Degradation rate doubles compared to refrigeration
- Frozen (−20°C), no cryoprotectant
- 60–90 days (single freeze-thaw)
- Ice crystal-induced peptide fragmentation, copper dissociation on thaw
- Use only for long-term storage of unused aliquots. Not for active-use vials
- Frozen (−20°C), with 5–10% glycerol
- 90+ days
- Minimal degradation if no freeze-thaw cycles
- Ideal for batch storage. Aliquot into single-use vials before freezing
- Refrigerated (2–8°C), nitrogen-purged, amber vial
- 35–45 days
- Reduced oxidative stress extends functional window
- Advanced protocol for high-value research batches