Trimethyl Pentaphenyl Trisiloxane

Trimethyl pentaphenyl trisiloxane is a phenyl-rich silicone fluid and film-former used in personal care formulas. It provides silky slip, a smooth spread, and a lightweight coating that improves finish and wear in makeup and skin products.
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Ingredient Snapshot

Overview
A silky silicone that smooths application and helps makeup wear longer.
Category
Skin Conditioning, Tone/Texture
Type
Silicone

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Boosts glide and a refined, velvety finish while helping makeup stay put longer, and can create a soft-focus look that diminishes the appearance of uneven texture.

Uses In Skincare & Cosmetics

Common in primers, liquid foundations, and long-wear makeup for improved payoff and durability, and also used in sunscreens and hair serums to form a flexible, comfortable film.

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 non-irritating and suitable for most skin types; it forms a breathable film that rinses off with a standard cleanser. Low sensitization risk and no common regulatory limitations noted at normal use levels.

Is Trimethyl Pentaphenyl Trisiloxane a Good Ingredient?

It rates Good for providing excellent slip and a flexible, long-wear film with a low likelihood of irritation, though it offers minimal active skincare benefit. Its silicone structure is stable and improves cosmetic finish, which is what the rating reflects.

Products with Trimethyl Pentaphenyl Trisiloxane

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