POLYQUATERNIUM-98 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-98

Safety grade: A

Polyquaternium-98 is a conditioning polymer that helps improve the texture and feel of hair and skin care products. It works by creating a smooth, protective layer that makes hair easier to comb and skin feel softer.

This ingredient is used as a conditioning agent and film-former to improve product texture, reduce frizz, enhance shine, and provide a smooth feel to hair and skin care formulations.

Graded using: COSING.

Last verified: May 26, 2026