At Cymbiotika, our mission is to empower you with the tools and education needed to take ownership of your health
Avoid combining it directly with vitamin C or highly acidic products, which may destabilize the peptide
Many patients also seek IV glutathione for skin health, as it may help promote a brighter, more even complexion
Topical GHK-Cu serum shelf life Pre-made commercial serums: Usually 6-12 months unopened 3-6 months after opening Check manufacturer recommendations Refrigerate after opening extends life DIY serums (mixing powder with carrier): Shorter shelf life than commercial 2-4 weeks typical (no preservatives) Must refrigerate Discard if color changes Factors affecting topical shelf life: Preservatives: Extend significantly pH: Neutral pH more stable Carrier: Some better than others (hyaluronic acid, glycerin good) Storage: Cool, dark, sealed Contamination: Sterile technique critical Best practices for topical GHK-Cu: Buy small bottles (use within 3-6 months) Refrigerate after opening Don't double-dip (pour into hand, don't touch dropper to skin) Watch for color changes (brown = oxidized) Replace every 6 months even if looks fine See our how to reconstitute peptides , bacteriostatic water for peptides , and how long reconstituted peptides last in fridge
September 2023
Many patients explore this approach to support early signs of imbalance, improve recovery, or maintain long term gut health
