Bis-PEG-18 Methyl Ether Dimethyl Silane

Bis-PEG-18 Methyl Ether Dimethyl Silane is a silicone-PEG hybrid surfactant and polymeric emulsifier used in personal care products. Formulators use it to stabilize oil-in-water systems, cut drag, and give a light, silky application feel.
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Ingredient Snapshot

Overview
A silicone blend that helps oil and water mix smoothly.
Category
Emulsifying, Skin Conditioning
Type
Emulsifier

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps keep oil and water combined for even coverage while leaving a soft, conditioned afterfeel, and aids in creating a weightless application.

Uses In Skincare & Cosmetics

Found in fluid moisturizers, lightweight lotions, and sunscreens to maintain uniform texture and reduce phase separation.

Comedogenic Rating

This ingredient has a comedogenic rating of 0. It is considered non-comedogenic and has little to no likelihood of clogging pores.

Safety

Low irritation potential for most users; sensitive skin may notice transient redness or tingling. No widely recognized regulatory restrictions for standard cosmetic concentrations.

Is Bis-PEG-18 Methyl Ether Dimethyl Silane a Good Ingredient?

This silicone-PEG hybrid effectively stabilizes oil-in-water systems and imparts a light, silky afterfeel with a generally gentle profile, and its consistent emulsification performance supports the Good rating.