Bis-Stearoxy Dimethicone
AKA: Stearoxy Silicone
Plant-Derived
Emollient
Skin Conditioner
Silicone
Not Clean
Bis-Stearoxy Dimethicone is a cosmetic ingredient. Assessed as safe by the CIR.
CAS #
68554-53-0
Form
Liquid
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Conditions Skin
Softens & Smooths
Smooths and softens skin
Traditional Use
A silicone derivative developed in the late 20th century for cosmetics. Designed to provide occlusive and conditioning properties while improving the sensory feel of skincare and makeup formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR