POLYSILICONE-18 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYSILICONE-18

Safety grade: A

This is a silicone-based conditioning agent that forms a smooth, protective layer on hair strands. It's designed to make hair feel softer, shinier, and more manageable.

Polysilicone-18 conditions and detangles hair while reducing frizz and improving shine by coating the hair surface with a lightweight protective film.

Graded using: COSING.

Last verified: May 26, 2026

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