POLYQUATERNIUM-48 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-48

Safety grade: A

This is a conditioning polymer that acts like a protective coating on hair. It helps reduce frizz and static electricity while keeping hair in place throughout the day.

This ingredient prevents static electricity buildup, forms a protective film on hair strands, and provides hold to style hair and reduce flyaways.

Graded using: COSING.

Last verified: May 26, 2026