Potassium Alum
A cosmetic ingredient used as astringent in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Aluminum potassium bis(sulfate)
What does it do?
Potassium Alum is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Astringent
tightens or contracts skin tissue and pores, often used in toners and after-shave products
EU regulatory status
Potassium Alum is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Potassium Alum?
Potassium Alum is a cosmetic ingredient catalogued in the EU CosIng database. Aluminum potassium bis(sulfate)
Is Potassium Alum allowed in cosmetics in the EU?
Yes. Potassium Alum is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Potassium Alum do in cosmetic products?
Potassium Alum is declared in the EU cosmetic ingredient inventory with these functions: astringent.
What is the CAS number of Potassium Alum?
The CAS (Chemical Abstracts Service) number for Potassium Alum is 10043-67-1 / 7784-24-9.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 30/01/2014