What's the difference between Bacteriostatic water vs sterile water? Bacteriostatic Water (Preserved Saline) for Injection 30ml Clean Nutritionals Can bacteriostatic water be used instead of saline for reconstituting Botox (Botulinum toxin)? DID YOU KNOW? Bacteriostatic Water contains 0.9% benzyl alcohol, which prevents bacteria from growing after the vial is opened. This makes it safe to use for up to 28 days once punctured Bacteriostatic Water vs Reconstitution Solution Guide Bacteriostatic Sodium Chloride 0.9% Injection 20mL 25 pk