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It is often used to manage nausea and vomiting during pregnancy under medical supervision

Benzyl alcohol is an aromatic alcohol that disrupts bacterial cell membrane integrity and inhibits membrane-dependent metabolic processes at 0.9% w/v concentration and providing broad-spectrum bacteriostatic activity against Gram-positive and Gram-negative contaminants without producing the higher-concentration cytotoxicity associated with bactericidal antimicrobial preservatives

its the other half of the stack rather than a standalone choice

However, as we touched on, Bacteriostatic (BAC) water contains that critical addition: 0.9% benzyl alcohol

Reconstituted DSIP retains greater than 95% potency for 21 days at 28C and declines to approximately 8590% potency by day 28, making vial size selection critical for minimizing waste