PEG-8 Methyl Ether Dimethicone
AKA “Polyethylene Glycol 8 Methyl Ether Dimethicone”
Surfactant
Ingredient Facts
Peg-8 methyl ether dimethicone
AKA: Polyethylene Glycol 8 Methyl Ether Dimethicone
Surfactant · Cleansing · EWG: 2
Synthetic
Cleanser
Skin Conditioner
Hair Care
Silicone
Clean
Silicones and siloxanes, dimethyl, 3-(methylpoly(oxy-1,2-ethanediyl))propyl methyl, trimethylsilyl terminated, (8 mol EO average molar ratio)
CAS #
-
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
Traditional Use
A synthetic silicone-based emulsifier developed in the late 20th century to combine silicone's conditioning properties with improved water solubility for cosmetic formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR