Butyloctyl Cetearate

Butyloctyl Cetearate molecular structure
molecular structure · PubChem
AKA: Branched alkyl cetearate, Emollient ester
Plant-Derived
Emollient
Skin Conditioner
Not Clean
OriginDerived from fatty alcohols and fatty acids, typically sourced from vegetable oils like coconut or palm. Produced through esterification, combining cetearyl alcohol with octyl and butyl alcohol groups via catalytic synthesis.
Fatty Acids, C16-18, 2-Butyloctyl Esters
CAS #
101227-08-1
Form
Wax
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR