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
Aluminatesilicate (CI 77004); Aluminosilicate
Formula
Al2O9Si3
Mol. Weight
282.21
CAS #
1327-36-2
Form
Powder
State
Dry Powder; Pellets or Large Crystals
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
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.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR