POLYQUATERNIUM-104 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYQUATERNIUM-104

Safety grade: A

This is a conditioning agent that coats hair strands to make them smoother and easier to comb. It helps reduce frizz and adds shine to your hair.

This ingredient deposits a protective coating on hair to improve softness, reduce tangles, enhance shine, and make hair easier to style and manage.

Graded using: COSING.

Last verified: May 26, 2026

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