Montmorillonite

Montmorillonite is a naturally occurring smectite clay composed of layered silicate sheets. In skincare, masks and cleansers use it to absorb excess oil, bind impurities, and minimize surface shine for a smoother, more matte feel.
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Ingredient Snapshot

Overview
A clay that soaks up oil and impurities for a clearer, matte look.
Category
Oil Control, Cleansing, Tone/Texture
Type
Clay

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps curb surface shine and draw out oil and impurities, leaving skin feeling refreshed, and can make texture appear more refined for a clearer-looking complexion.

Uses In Skincare & Cosmetics

Frequently featured in rinse-off clay masks and deep-clean facial cleansers; also appears in oil-control spot treatments and mattifying skincare primers.

Comedogenic Rating

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

Safety

Typically well tolerated, but frequent or prolonged use can feel drying and may provoke tightness or mild irritation on dry or sensitive skin. Avoid inhaling loose powders and rinse thoroughly to minimize residue-related dryness.

Is Montmorillonite a Good Ingredient?

Its well-established ability to absorb oil and impurities can mattify and refine texture, and it's an inert mineral with generally low irritation in rinse-off formats, which is enough for Good.

Products with Montmorillonite

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