POLYQUATERNIUM-33 is graded B (Low Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.

POLYQUATERNIUM-33

Safety grade: B

This is a synthetic polymer (a chain of molecules linked together) that's positively charged. It's designed to coat hair and skin to reduce static electricity and create a smooth, protective layer.

This ingredient reduces frizz and static electricity while forming a lightweight film on hair or skin to improve smoothness, shine, and manageability.

Graded using: COSING.

Last verified: May 26, 2026

Other Antistatic ingredients