Surfactant

PEG-9 Polydimethylsiloxyethyl Dimethicone

INCI: PEG-9 POLYDIMETHYLSILOXYETHYL DIMETHICONE
CAS Not uniquely assigned (complex silicone–PEG copolymer)
Siloxanes and silicones, dimethyl, 3-(hydropoly(oxy-1,2-ethanediyl)propyl methyl, 2-(trimethylsilyloxydimethylsilyl)ethyl methyl, trimethyl terminated (9 mol EO average molar ratio)
Generally Safe
This ingredient has a good safety profile based on available data.
Purpose

Function

Surfactant – emulsifying; skin conditioning
Profile

Properties

Silicone
Silicone free
Malassezia
Safe
Fungal Acne
Safe
Details

Description

Siloxanes and silicones, dimethyl, 3-(hydropoly(oxy-1,2-ethanediyl)propyl methyl, 2-(trimethylsilyloxydimethylsilyl)ethyl methyl, trimethyl terminated (9 mol EO average molar ratio)

Reference

Identifiers

CAS Number
Not uniquely assigned (complex silicone–PEG copolymer)
INCI
PEG-9 POLYDIMETHYLSILOXYETHYL DIMETHICONE
Category
Surfactant
Updated
Apr 2, 2026