Silica Silylate
AKA: Silylated silica, Hydrophobic silica, Silicon dioxide silylate
Synthetic
Emollient
Emulsifier
Skin Conditioner
Silicone
Clean
Amorphous silica, reaction products with trimethylsilane
CAS #
68611-44-9; 1015787-46-8; 211811-62-0; 68909-20-6; 112153-70-5; 112153-71-6; 1123693-37-7; 70536-25-3; 371755-66-7; 1158846-14-0
Form
Powder
Functions
Anticaking
Antifoaming
Bulking
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks In Moisture
Traditional Use
A modern surface-treated silica developed in the late 20th century for cosmetics to improve texture and provide a mattifying effect without the tackiness of untreated silica.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
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Verified Jun 2026
Data: CosIng · EWG · CIR