What does Aluminum citrate do?

Used in cosmetics as an antiperspirant, an astringent and a deodorant.

Is Aluminum citrate safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

beauty

Aluminum citrate

CAS 31142-56-0

Also registered as 1 other CAS number

813-92-3

Concern score

Not assessed — no hazard data yet.

Aluminum citrate in plain language

What it is: Also known as 2-Hydroxypropane-1,2,3-tricarboxylic acid--aluminium (1/1) · Citric acid, aluminum salt (1:1) · aluminum 2-hydroxypropane-1,2,3-tricarboxylate · 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, aluminum salt · AKOS025296186 · Aluminumcitrate
Show all 14 names
Aluminium citrate · Aluminum 2-hydroxy-1,2,3-propanetricarboxylate · Aluminum citrate (1:1) · CS-0259502 · aluminum salt Citric acid · UNII-IJ623779BA · aluminium(3+) ion 2-hydroxypropane-1,2,3-tricarboxylate · aluminum;2-hydroxypropane-1,2,3-tricarboxylate
What it does: Used in cosmetics as an antiperspirant, an astringent and a deodorant.
Antiperspirant
Astringent
Deodorant
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.

Regulation

No restrictions found. Aluminum citrate appears in these published regulatory listings.

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Aluminum citrate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

No graded research studies for Aluminum citrate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.