PEG-8 Methyl Ether Triethoxysilane

PEG-8 Methyl Ether Triethoxysilane is a polyethylene glycol-modified organosilane used in cosmetics as a film-forming polymer. It's added to boost formula uniformity, improve adhesion on skin or hair, and give a smooth, non-tacky finish.
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Ingredient Snapshot

Overview
A film-forming ingredient that gives products a smooth, less-tacky finish.
Category
Skin Conditioning
Type
Film Former

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Improves product uniformity and adhesion while creating a smoother, less-tacky finish. May reduce transfer and improve wear in some formulas.

Uses In Skincare & Cosmetics

Found in makeup primers, long-wear liquid foundations, and hair serums or sprays to improve cosmetic wear and finish.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally low risk at cosmetic use levels with minimal skin penetration. Film formers can occasionally irritate very sensitive or compromised skin. Discontinue use on broken skin if irritation occurs.

Is PEG-8 Methyl Ether Triethoxysilane a Good Ingredient?

Rated Fair: it's useful as a film former for laydown and feel, but the performance and longevity gains are highly formula-dependent and data on direct skin benefits are limited. Sensitive skin may also notice mild irritation or tightness from the polymer film, which keeps it below Good.

Products with PEG-8 Methyl Ether Triethoxysilane

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