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Storage Instructions: Store in a cool, dry place

USP Specifications USP-grade means it has to hit strict benchmarks: sterility, bacterial endotoxin content below 0.5 EU/mL, low particulate matter (both visible and sub-visible), and benzyl alcohol concentration within 10% of that 0.9% target

Safety Considerations and Possible Side Effects Glutathione is generally regarded as safe, but users should be aware of potential reactions: Note: Inhaled glutathione may trigger bronchial spasms in sensitive individuals, especially those with asthma

Measurable collagen and wrinkle changes require 8 to 12 weeks of consistent use, based on the Finkley et al