Magnesium Silicate

Magnesium silicate is a natural or synthetic mineral of magnesium, silicon, and oxygen, structurally similar to talc. Formulators use it for oil uptake, slip, and to adjust texture or opacity in powders and creams.
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Ingredient Snapshot

Overview
A talc-like mineral that reduces shine and smooths texture.
Category
Oil Control, Tone/Texture
Type
Mineral

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Cuts down shine and promotes a more velvety finish, providing a smoother look by reducing greasy feel, with the evidence focused mainly on these functional effects.

Uses In Skincare & Cosmetics

Often included in loose powders, dry shampoos, and cream-to-powder makeup to improve a matte look and modify texture.

Comedogenic Rating

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

Safety

Generally inert on skin, but fine powders can irritate if inhaled; apply carefully to minimize airborne dust. Can feel drying on sensitive or very dry skin. Cosmetic-grade talc or magnesium silicate must be asbestos-free in many jurisdictions.

Is Magnesium Silicate a Good Ingredient?

It mainly offers functional oil absorption and slip, with limited evidence for direct skin improvement, which caps this at Fair. There's some risk of dryness or mechanical irritation, especially in high-powder formats or with airborne dust.

Products with Magnesium Silicate

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