INCI: Sodium Benzoate

Function: Preservative

Benefits: Inhibits growth of fungus and bacteria

The Science: Sodium benzoate is the salt of benzoic acid and acts as a preservative by inhibiting the growth of microorganisms. It is an anti-fungal agent and fights bacteria. Benzoic acid is naturally found in foods such as peaches, watermelon, bananas and strawberries, cayenne pepper and mustard seeds. Sodium benzoate is produced by the reaction of benzoic acid with sodium hydroxide.

The Story: Sodium benzoate is a preservative usually used in combination with potassium sorbate.