Aluminum Silicate



AKA: ALUMINATESILICATE, 1327-36-2, Aluminumsilicate, Scories du Silicium, HYDRANAL Humidity absorber, Aluminatesilicate, Pyrophyllite, KA160, Laitier de la fabrication du Silicium
Synthetic
Colorant
Clean
OriginDerived from aluminum and silica compounds, typically produced from bauxite ore or synthetic silica sources. Synthesized through high-temperature fusion or precipitation methods to create a fine mineral powder.
Aluminatesilicate (CI 77004); Aluminosilicate
Formula
Al2O9Si3
Mol. Weight
282.21
CAS #
1327-36-2
Form
Powder
State
Dry Powder; Pellets or Large Crystals
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
Strengthens Barrier
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 808)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 808)
Not an Eye Irritant
1 study / 1 not irritating (CIR 808)
Concentration Guide
Leave-onNot reported
Rinse-off2.8–4.6%
0%50%100%
CIR reported use · 2018 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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