PEG-32 Methyl Ether Dimethicone
AKA “Cyclopentasiloxane Silicone PEG, Methyl Ether Silicone Surfactant”
Synthetic
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Ingredient Facts
Peg-32 methyl ether dimethicone
AKA: Cyclopentasiloxane Silicone PEG, Methyl Ether Silicone Surfactant
Synthetic · Hair Conditioning | Skin Conditioning | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Silicone
Synthetic
Not Clean
Silicones and siloxanes, dimethyl, 3-(methylpoly(oxy-1,2-ethanediyl))propyl methyl, trimethylsilyl terminated, (32 mol EO average molar ratio) Science: Process: Ethoxylation | Functions: Hair Conditioning, Skin Conditioning, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
Form
Liquid
Plant-Derived
Synthetic. Derived from dimethicone siloxane polymers combined with polyethylene glycol chains through synthetic chemistry. Produced by ethoxylation of dimethicone, attaching polyethylene glycol units to the silicone backbone.
Function
Hair Conditioning | Skin Conditioning | Surfactant - Emulsifying
Benefits
Locks in moisture
Traditional Use
A modern synthetic hybrid ingredient developed in the late 20th century that combines silicone technology (first used in cosmetics in the 1950s) with polyethylene glycol to create a silicone-based humectant with improved water compatibility.
Skin Types
all-skin-types
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
Restricted By
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR