The ingredient, explained

Silica Dimethyl Silylate

A published expert assessment examines cosmetic-use safety.

EmollientAnticakingAntifoamingEmulsion stabilisingViscosity controlling

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Ingredient guide

What it is and what it does

Silane, dichlorodimethyl-, reaction products with silica

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Emollient: Helps soften and smooth the skin surface.
Anticaking: Keeps powder particles from clumping together.
Antifoaming: Reduces unwanted foam during manufacture or product use.
Emulsion stabilising: Helps keep an emulsion from separating.
Viscosity controlling: Adjusts how thick or fluid a product is.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Safety assessment

Silica dimethyl silylate is one of four explicitly named ingredients supported for the described cosmetic uses, provided the final formulation does not irritate or sensitise the respiratory tract.

What this does not tell us

This conditional group assessment is not a skin-benefit trial and does not apply to every form of silica.

Sources for this summary. PubMed 23696579 ↗

Research review checked Oct 1, 2026

Bounded targeted searches for the exact ingredient identity in primary research or final expert assessments, with selected-source verification. Not a systematic review.