POLYQUATERNIUM-24 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-24

Safety grade: A

This is a synthetic polymer (chain-like molecule) that is positively charged, making it act like a detangler and smoothing agent. It forms a thin, invisible protective coating on hair and skin.

It reduces static electricity in hair and creates a smooth, protective film that improves shine, reduces frizz, and enhances the feel of hair and skin.

Graded using: COSING.

Last verified: May 26, 2026