Ingredient glossary

Sodium Benzoate

INCI: Sodium Benzoate

Quietly necessary

A preservative doing an unglamorous but essential job: keeping the product safe to use. Not something you pay extra for.

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What it does

  • preservation

strong evidenceIndustry and regulatory reviews support sodium benzoate as a safe, broad-use preservative at cosmetic levels, especially when combined with potassium sorbate.

On a label: usually effective at 0.2-1%.

Who it's for, and who should skip it

Tends to suit

  • all

Approach with care

  • very sensitive individuals
  • Clogs poresLow
  • Irritation riskLow
  • pH-dependentIts effect depends on the product's pH

Plays well with

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Educational information about a cosmetic ingredient, not medical advice.