The ingredient, explained

Bentonite

Bentonite has published research relevant to the stated experimental context.

AbsorbentBulkingEmulsion stabilisingViscosity controlling

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Ingredient guide

What it is and what it does

Bentonite. A colloidal clay. Consists primarily of montmorillonite -CI 77004-

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

Absorbent: Takes up dispersed or dissolved material, including water or oils.
Bulking: Changes a product's bulk density.
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

Human topical research

In a 100-infant double-blind randomized trial, the bentonite cream improved diaper dermatitis more rapidly than calendula during three days.

What this does not tell us

Active comparator and formulation-specific treatment; no vehicle comparison and no general adult cosmetic efficacy inference.

Sources for this summary. PubMed 26831423 ↗

Research review checked Oct 1, 2026

Selective exact-identity review of 5 supplied local candidates and the targeted primary-source search recorded below. Bounded review, not a systematic search.