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Magnesium Aluminum Silicate
AKA “7TO1453RTL, Aluminii magnesii silicas, RefChem:925180, Magnesium aluminium silicate, 6M3P64V0NC, DTXSID5049659, MJ-2000, M-907015, 215-478-8”
Ingredient
Ingredient Facts
Magnesium aluminum silicate
AKA: 7TO1453RTL, Aluminii magnesii silicas, RefChem:925180, Magnesium aluminium silicate, 6M3P64V0NC, DTXSID5049659, MJ-2000, M-907015, 215-478-8
Ingredient · Absorbent · EWG: 1
Synthetic
Clay
Clean
Silicic acid, aluminum magnesium salt
Solubility Insoluble
Formula
AlMgO4Si+
Mol. Weight
143.37
CAS #
1327-43-1
Form
Powder
State
Other Solid
See origin →
Functions
Absorbent
Anticaking
Opacifying
Viscosity Controlling
Anti-Inflammatory
Moisturizing
Strengthens Barrier
Absorbs excess oil
Prevents clumping
Creates creamy opacity
Controls product thickness
Traditional Use
A modern synthetic mineral compound developed as an alternative to natural clay minerals for cosmetic use; functions as an absorbent and suspending agent based on traditional clay skincare traditions.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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
→
Magnesium Aluminum Silicate
European Commission
EU Cosmetic Ingredient Database (CosIng)
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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
→
Magnesium Aluminum Silicate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR