POTASSIUM BENZOATE is graded B (Low Concern) by Expert·ING, based on COSING, FDA regulatory data. It is restricted under EU COSING (Restricted use).

POTASSIUM BENZOATE

Safety grade: B

This preservative is permitted in EU cosmetics up to a maximum concentration under EU Cosmetics Regulation (EC) No 1223/2009. To be sold legally in the EU or UK, a product must stay within this limit.

This preservative extends the shelf life of cosmetic products by inhibiting the growth of microorganisms, ensuring the product remains safe and effective throughout its use.

Graded using: COSING, FDA.

Last verified: June 9, 2026

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