Is POTASSIUM ALUM safe to use in EU cosmetics?

POTASSIUM ALUM is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

InventoryRef 7943230/01/2014

POTASSIUM ALUM

Q: How do I check if my formula contains POTASSIUM ALUM?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Aluminum potassium bis(sulfate)

POTASSIUM ALUM is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Inventory details for POTASSIUM ALUM

INCI name

POTASSIUM ALUM

Description

Aluminum potassium bis(sulfate)

Annex records for POTASSIUM ALUM

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Key data

CAS

10043-67-1 / 7784-24-9

233-141-3 / -

Restriction

—

Function

ASTRINGENT

How POTASSIUM ALUM appears in the CosIng inventory

The CosIng inventory lists POTASSIUM ALUM as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

POTASSIUM ALUM is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

POTASSIUM ALUM is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, POTASSIUM ALUM carries the following function designation(s):

ASTRINGENT

CAS 10043-67-1 / 7784-24-9 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for POTASSIUM ALUM

This page reproduces the CosIng inventory entry for POTASSIUM ALUM from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research POTASSIUM ALUM and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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