POLYQUATERNIUM-116 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-116

Safety grade: A

A conditioning agent used in hair and skin care products to help smooth, detangle, and add shine. This synthetic polymer works by coating the hair shaft to reduce frizz and improve texture while making products feel smoother on your skin.

Graded using: COSING.

Last verified: June 9, 2026