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

PHENYLBENZIMIDAZOLE SULFONIC ACID

Safety grade: B

This UV filter (sunscreen agent) 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 ingredient absorbs UV radiation and converts it into heat, providing protection against sun damage and helping to prevent sunburn and premature skin aging.

Graded using: COSING, FDA.

Last verified: June 9, 2026

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