POLYQUATERNIUM-45 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-45

Safety grade: A

This is a synthetic conditioning polymer that works like a lightweight, invisible coating on your hair. It helps reduce frizz and static electricity while keeping your hair in place.

This ingredient reduces static electricity in hair, creates a protective film on the hair surface, and provides light hold to help style last longer.

Graded using: COSING.

Last verified: May 26, 2026

Other Antistatic ingredients