OCR was measured by adding inhibitors at the following times: oligomycin (14 min, 1 M), FCCP (33 min, 1 M), and rotenone/antimycin A (53 min, 0.5 M)
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
Ganguly, D., Srikanth, C.V., Kumar, C., Vats, P., and Bachhawat, A.K
OZiva Bioactive Gluta Fizzy Effervescent Tablets
