Snapshot
- Overview
- A clay that soaks up oil and impurities for a clearer, matte look.
- Category
- Oil Control, Cleansing, Tone/Texture
- Type
- Clay
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.
Like this ingredient?
Our take
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.
What it does
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.
Where you'll find it
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.
Before you use it
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.
Products with Montmorillonite
