Potassium Alum

Potassium Alum is an astringent ingredient. It’s in 14 products on Poliage, most often deodorant. Avoid lists on Poliage that include it: none.

Updated October 21, 2026

In plain English

Potassium alum: used to tighten the skin surface.

What it does

Contains Potassium Alum: astringent
Function listed in CosIng

Source: CosIng, the European Commission cosmetic ingredient database, ref 79432, accessed October 22, 2026.

Products that contain Potassium Alum

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