Silica Dimethyl Silylate

Silica Dimethyl Silylate is a hydrophobic fumed silica treated with dimethyl groups and used as a cosmetic rheology modifier. It's employed to thicken and stabilize formulas, add slip and blur, and reduce greasy feel on skin or hair.
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Ingredient Snapshot

Overview
A silica powder that controls shine and blurs uneven texture.
Category
Oil Control, Tone/Texture
Type
Rheology Modifier

Ingredient Ratings

Overall Rating

Great

Comedogenic Risk

None

Skin Benefits

It helps control excess shine and gives a soft-focus, blurred look to uneven texture, contributing to a drier, non-tacky finish that can help makeup last longer.

Uses In Skincare & Cosmetics

It's common in mattifying primers, gel-creams, and liquid foundations to refine the finish, and it's also used in hair texturizing pastes and balms for a more touchable feel.

Comedogenic Rating

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

Safety

It's generally well tolerated on skin and irritation is uncommon. As a fine powder, avoid inhaling dust during handling or application. No widely recognized regulatory restrictions apply to topical use.

Is Silica Dimethyl Silylate a Good Ingredient?

This one earns Great because the hydrophobic silica reliably boosts oil control and texture while staying chemically inert and stable, with a long history of low irritation at typical use levels.