POTASSIUM FLUOROSILICATE is graded B** (Low Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.

POTASSIUM FLUOROSILICATE

Safety grade: B**

This is a mineral compound that combines potassium, fluorine, and silicon. It's used in oral care products to help protect teeth and reduce plaque buildup.

This ingredient works in toothpastes and mouthwashes to strengthen tooth enamel, prevent cavity formation, and help reduce plaque and tartar accumulation on teeth.

Graded using: COSING.

Last verified: May 26, 2026

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