Alumina
AKA “ALUMINUM OXIDE, Aluminium oxide, Aloxite, gamma-Alumina, Aluminum trioxide, Dialuminum trioxide, Abramant, Abramax”
Synthetic
Ingredient Facts
Alumina
AKA: ALUMINUM OXIDE, Aluminium oxide, Aloxite, Gamma-Alumina, Aluminum trioxide, Dialuminum trioxide, Abramant, Abramax
Synthetic · Exfoliant · EWG: 1
Synthetic
Exfoliant
Synthetic
Clean
A gentle powder that smooths texture and absorbs oil while helping your formula apply evenly and stay put all day.
Solubility Insoluble (NIOSH, 2024)
Formula
Al2O3
Mol. Weight
101.96
CAS #
1344-28-1
Form
Powder
State
Aluminum oxide is a white odorless crystalline powder. Water insoluble. Properties (both physical and chemical) vary according to the method of preparation; different methods give different crystallin
See origin →
Functions
Exfoliant
Removes dead skin cells so fresh ones can come through. Chemical exfoliants (acids) are generally gentler than physical scrubs.
Absorbent
Anticaking
Bulking
Opacifier
Thickener
Physical Exfoliant
Absorbs Excess Oil
Prevents Clumping
Adds Body & Volume
Skin Types
●all-skin-types
Take the Skin ID quiz to see if this matches your skinMelanin-Rich Skin
Suitable
SuperSuede™ Baked Powder Blush
Saie
The SuperSuede™ Stack
Saie
The Blush Stack
Saie
Slip Tint™ Undetectable Baked Setting Powder
Saie
SuperSuede™ Radiant Baked Bronzer
Saie
Green Slate Mineral Polish
Ursa Major
Lit Up Highlight Stick - Pärla
Westman Atelier
Lit Up Highlight Stick - Garçonne
Westman Atelier
Lit Up Highlight Stick - Biscuit
Westman Atelier
Lit Up Highlight Stick - Nectar
Westman Atelier
Lit Up Highlight Stick - Brûlée
Westman Atelier
Lit Up Highlight Stick - Lit
Westman Atelier
Baby Cheeks Blush Stick - Coquette
Westman Atelier
Arch Support Brow Powder Gel
Gen See
Color Haze
ILIA Beauty
Final Report on the Safety Assessment of Silica, Alumina Magnesium Metasilicate, Aluminum Calcium Sodium Silicate, Aluminum Iron Silicates, Hydrated Silica and Potassium Aluminum Silicate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Alumina and Aluminum Hydroxide as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Alumina Magnesium Metasilicate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Bauxite mining and alumina refining: process description and occupational health risks.
Donoghue AM, Frisch N, Olney D
Journal of occupational and environmental medicine, 2014
Alumina
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Alumina Magnesium Metasilicate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: PubChem · CosIng · EWG