Dimethiconol Stearate

AKA: Silicone Stearate Ester
Plant-Derived
Emollient
Skin Conditioner
Clean
OriginDerived from silicone polymers, specifically a dimethicone backbone chemically modified with stearate ester groups. Synthesized through esterification of dimethicone with stearic acid or stearate compounds under catalytic conditions.
Siloxanes and Silicones, Dimethyl, [(1-Oxooctadecyl)Oxy]-Terminated
CAS #
130169-63-0
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 571)
Not a Skin Irritant
1 study / 1 not irritating (CIR 571)
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR