skincarecheck
INCI ingredient

Potassium Alum

Potassium Alum appears on 37 ingredient lists in our database, most often in deodorants.

What it triggers

  • Vegan originYesno animal source
  • FragranceNonot a perfume ingredient
  • ParabenNonot a preservative of this family
  • SulfateNonot a sulfate surfactant
  • SiliconeNonot a silicone
  • AlcoholNonot a drying alcohol

What it does

Potassium Alum appears on 37 ingredient lists in our database, most often in deodorants.

It does not belong to any of the six groups we check, so it never changes a verdict.

We have not written the plain-language note for this ingredient yet; the facts above come straight from how it is classified.

Functions: astringent

Products with Potassium Alum

in 37 products

Showing 24 of 37 products with this ingredient, most scanned first.

In the EU ingredient database

Functions listed by CosIng
  • astringent
  • astringent: Contracting and/or tightening the skin.

CAS 10043-67-1 / 7784-24-9 · EC 233-141-3 / -

EU regulation

Not on a restricted-substances annex. Listed as an allowed cosmetic ingredient.

Source: CosIng, European Commission. Informative, no legal value; the regulation text is the reference.

Classification from the INCI name; product lists from Open Beauty Facts.Report a mistake