Illite is a naturally occurring clay mineral from the mica family with fine, absorbent particles. Masks, cleansers, and powders use it to absorb excess oil, refine visible texture, and leave a soft, matte finish.
A clay mineral that absorbs oil and leaves skin looking matte.
Category
Oil Control, Cleansing, Tone/Texture
Type
Clay
Ingredient Ratings
Overall Rating
Good
Comedogenic Risk
None
Skin Benefits
Visibly reduces surface shine and helps the skin look more refined. Provides a soft blurring effect that can make pores and unevenness appear less noticeable.
Uses In Skincare & Cosmetics
Frequently found in clay masks and purifying cleansers for oily areas. Also used in setting powders and dry shampoos to boost a matte finish.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Generally safe and non-reactive, but may cause temporary dryness or tightness and mild irritation if left on too long. In loose-powder applications, avoid inhalation of dust.
Is Illite a Good Ingredient?
Rated Good as an inert, stable clay that effectively absorbs excess sebum and visually refines texture, with a low inherent irritation risk and reliable results across formats. Overuse can be drying, especially on delicate areas, which keeps it from a top rating.