a white crystalline solid occurring in many resins

synthetic Used in our shampoos as a preservative, benzoic acid hinders the growth of fungus, moulds and some bacteria.

used in products as a preservative to prevent fungi or bacteria growth

Preservative against growth of microorganisms; effective against fungi but only marginally useful against bacteria. Typically used in concentrations from 0.05 to 0.1%. Sensitivity to benzoic acid is rare but possible.

A natural preservative found in cherry bark, raspberries, tea, anise and cassia bark that protects against molds and yeast.

Benzoic acid, C7H6O2 (or C6H5COOH), is a colorless crystalline solid and the simplest aromatic carboxylic acid. The name derived from gum benzoin, which was for a long time the only source for benzoic acid. This weak acid and its salts are used as a food preservative.