Isopropyl Oleate
molecular structure · PubChem
AKA: 112-11-8, 1-methylethyl ester, Oleic acid, Isopropyl ester, AEC ISOPROPYL OLEATE
Synthetic
Emollient
Skin Conditioner
Not Clean
The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.
Formula
C21H40O2
Mol. Weight
324.50
CAS #
112-11-8
Form
Liquid
State
Liquid
Functions
Binding
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
Traditional Use
Synthetic ester created as a skin conditioning agent and penetration enhancer in cosmetic formulations. Oleic acid, from olive oil, has been used in Mediterranean skincare and medicine since ancient times.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR