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Potassium Benzoate

Our database includes 84 products that contain Potassium Benzoate.

You should know

What it is



This ingredient is a preservative and inhibits the growth of fungi, certain bacteria, yeast, and mold.

It is the potassium salt of benzoic acid.

Potassium benzoate works best in products with a low pH level (below 4.5).

Potassium Benzoate is a rare cosmetic ingredient, with about 0.2% of the products in our database containing it.

What it does:


Where it's used

Potassium Benzoate is most often found as ingredient number 21 within an ingredient list.

These are the categories of products that use Potassium Benzoate the most:

CosIng Data

  • CosIng ID: 36934
  • EC #:  209-481-3
  • All Functions: Preservative
What is CosIng?

CosIng is the European Commission database for information on cosmetic substances and ingredients.

SkinSort uses CosIng to source some of it's data on ingredient names and functions.