murphyIsostearyl Acetate
AKA: Acetic acid, Isostearyl ester, 1026979-42-9
Plant-Derived
Emollient
Skin Conditioner
Not Clean
OriginDerived from naturally occurring fatty acids, typically obtained from vegetable oils like coconut or palm kernel oil. Produced through esterification of isostearic acid with acetic anhydride or acetic acid catalysts.
Acetic acid, 16-methyl-heptadecyl ester
Formula
C20H40O2
Mol. Weight
312.50
CAS #
1026979-42-9
Form
Liquid
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-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR