POLYQUATERNIUM-83 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-83

Safety grade: A

This is a synthetic polymer (a chain of molecules linked together) that acts like a thickener and stabilizer in cosmetic products. It helps keep ingredients mixed together and prevents separation.

Polyquaternium-83 thickens products, stabilizes emulsions to prevent them from breaking down, and helps maintain a smooth, consistent texture.

Graded using: COSING.

Last verified: May 26, 2026

Other Viscosity Controlling ingredients