Magnesium Aluminometasilicate
molecular structure · PubChem
AKA: Silodrate, Simaldrate, 12408-47-8, Silodrate [USAN], Simaldrate [INN], SIMALDRATE [WHO-DD], Silodrate (USAN)
WHAT IS IT?
Synthetic
Not Clean
Alumina Magnesium Metasilicate,Magnesium Methasilicate/Aluminate
Formula
Al2H2Mg2O12Si3
Mol. Weight
380.84
CAS #
12408-47-8
Form
Powder
WHAT DOES IT DO?
Functions
Absorbent
Anticaking
Bulking
Opacifying
Viscosity Controlling
Anti-Inflammatory
Fights Acne
Antioxidant
Traditional Use
A synthetic clay mineral developed for cosmetics in the 20th century, derived from traditional clay-based skincare practices; used as an absorbent and anti-caking agent in powders.
IS IT CLEAN?
EWG
4
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
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
IS IT FOR ME?
Skin Types
●
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
CAN I TRUST THIS?
The paper trail
🔬
Peer-reviewed
none on file
⚖️
Regulatory
1 listing →
🛡️
Safety-assessed
0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR