Rheology Modifier

Alumina

INCI: ALUMINA
CAS 1344-28-1 EC 215-691-6
Aluminium oxide
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Aluminium oxide

Purpose

Function

Abrasive, Absorbent, Anticaking, Bulking, Opacifying, Viscosity Controlling
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
Absorptionnegligible
Sensitizationnone
MoSadequate
NOAEL141 mg/kg
ConcernModerate
Verdict

Inhalation concern in powdered and sprayable forms; aggregated aluminum exposure from cosmetics and diet may exceed safe limits at highest exposure ranges.

US Note

CIR concluded safe in the present practices of use and concentration (2016). FDA-approved as indirect food additive and used in medical device implants.

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
1344-28-1
EC Number
215-691-6
INCI
ALUMINA
Category
Rheology Modifier
Updated
Apr 2, 2026