Sodium potassium aluminum silicate is a naturally occurring layered aluminosilicate mineral processed for use in personal care products. It's added to absorb excess surface oil, add slip, and provide opacity or soft-focus to powders, primers, and creams.
A natural mineral that soaks up oil and softens the look of pores.
Category
Oil Control, Tone/Texture
Type
Mineral
Ratings
Overall Rating
Good
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Sodium Potassium Aluminum Silicate a Good Ingredient?
It rates Good as an inert, mineral absorbent that helps control surface oil and diffuse texture with excellent stability and low reactivity. Some users with very dry or sensitive skin may find it slightly drying in high concentrations, which keeps it below Great.
What it does
Skin Benefits
It helps reduce a greasy appearance and diffuses the look of pores and fine lines, contributing to a smoother, more refined complexion.
Where you'll find it
Uses in Skincare & Cosmetics
It's used in setting powders, oil-control primers, and cream foundations to deliver a silky touch, boost coverage, and improve blur.
Before you use it
Safety
It has low irritation potential due to its inert, non-penetrating mineral nature, though it can be drying if overused. For loose powders, minimize inhalation during application.