Quaternium-18 Bentonite

Quaternium-18 Bentonite is a viscosity controlling ingredient. It’s in 10 products on Poliage, most often foundation, concealer and blush. Avoid lists on Poliage that include it: none.

Updated October 22, 2026

What it does

Contains Quaternium-18 Bentonite: viscosity-controlling
Function listed in CosIng

Source: CosIng, the European Commission cosmetic ingredient database, ref 79238, accessed October 22, 2026.

Products that contain Quaternium-18 Bentonite

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