POLYQUATERNIUM-27 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-27

Safety grade: A

This is a man-made polymer that works like a lightweight, invisible coating for your hair and skin. It helps reduce frizz and static electricity while creating a smooth, protective layer.

Polyquaternium-27 eliminates static electricity and creates a thin, flexible film on hair or skin to smooth the surface, reduce flyaways, and improve shine and manageability.

Graded using: COSING.

Last verified: May 26, 2026