Aluminum Silicate
AKA “ALUMINATESILICATE, Aluminumsilicate, Scories du Silicium, RefChem:556316, HYDRANAL Humidity absorber, Aluminatesilicate, Pyrophyllite, KA160”
Mineral
Ingredient Facts
Aluminum silicate
AKA: ALUMINATESILICATE, Aluminumsilicate, Scories du Silicium, RefChem:556316, HYDRANAL Humidity absorber, Aluminatesilicate, Pyrophyllite, KA160
Mineral · Abrasive · EWG: 2
Synthetic
Colorant
Mineral
Clean
A natural mineral that absorbs excess oil and moisture while creating a smooth, even finish in powders and foundations.
Formula
Al2O9Si3
Mol. Weight
282.21
CAS #
1327-36-2
Form
Powder
State
Dry Powder; Pellets or Large Crystals
See origin →
Functions
Abrasive
Absorbent
Anticaking
Bulking
Colorant
Gives the product its color. Purely aesthetic — makes the formula look good in the jar but does nothing for your skin.
Opacifying
Anti-Inflammatory
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
Strengthens Barrier
Traditional Use
Mined from naturally occurring clay minerals but used since ancient times in traditional skincare across Egypt, Asia, and Africa for oil absorption and skin purification. Commonly known as kaolin clay.
Skin Types
●all-skin-types, gentle
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Final Report on the Safety Assessment of Aluminum Silicate, Calcium Silicate, Magnesium Aluminum Silicate, Magnesium Silicate, Magnesium Trisilicate, Sodium Magnesium Silicate, Zirconium Silicate, Att
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
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
Aluminum Silicate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Ammonium Silver Zinc Aluminum Silicate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Magnesium Aluminum Silicate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Pyrophyllite
European Commission
EU Cosmetic Ingredient Database (CosIng)
Sodium Potassium Aluminum Silicate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Sodium Silver Aluminum Silicate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate,
Elmore AR, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate,
Elmore AR, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate,
Elmore AR, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate,
Elmore AR, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate,
Elmore AR, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate,
Elmore AR, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate,
Elmore AR, Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2003
Aluminum Silicate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Magnesium Aluminum Silicate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Sodium Potassium Aluminum Silicate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Sodium Silver Aluminum Silicate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Studies of prophylaxis pastes containing sodium-potassium aluminum silicate and fluoride.
Putt MS, Kleber CJ, Muhler JC
Journal of dental research, 1979
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR