Triethoxysilylethyl Polydimethylsiloxyethyl Dimethicone

Triethoxysilylethyl polydimethylsiloxyethyl dimethicone is a modified silicone polymer with reactive silylethyl groups on a PDMS backbone. Color cosmetics use it to form flexible, long-wear films, add slip, and increase water resistance.
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Ingredient Snapshot

Overview
A silicone that helps makeup resist smudging and stay put longer.
Category
Color, Tone/Texture
Type
Silicone

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Creates a flexible, comfortable film that helps makeup resist smudging and wear off more slowly, and provides a silky feel for a seamless finish on skin or lashes.

Uses In Skincare & Cosmetics

Common in long-wear lip colors, eyeliners, and mascaras to improve adhesion and durability, and also used in primers and foundations to boost smooth application and transfer resistance.

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

Typically low irritation, but film-formers can feel occlusive and may not suit those who are very prone to buildup without thorough cleansing. No common regulatory restrictions at usual cosmetic levels.

Is Triethoxysilylethyl Polydimethylsiloxyethyl Dimethicone a Good Ingredient?

It rates Good as a film-forming silicone that improves wear and water resistance with a silky feel and is generally low in irritation. It stays at Good rather than Great because the benefits are primarily cosmetic and the film can feel occlusive for some users.