POLYQUATERNIUM-8 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-8

Safety grade: A

This is a synthetic polymer that works like a lightweight conditioner for hair and skin. It creates a protective layer that helps reduce frizz and static electricity while making products feel smoother.

Polyquaternium-8 reduces static electricity in hair and skincare products while forming a thin, conditioning film on the surface to improve texture and smoothness.

Graded using: COSING.

Last verified: May 26, 2026