Cetyl Oleate
molecular structure · PubChem
AKA: Palmityl oleate, Hexadecyl oleate, 22393-86-8, Hexadecyl 9-octadecenoate, Hexadecanyl 9Z-octadecenoate, GLICOCERIDE OCS, 9-Octadecenoic acid, Hexadecyl ester, WE(16:0/18:1(9Z))
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
C34H66O2
Mol. Weight
506.90
CAS #
22393-86-8
Form
Liquid
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
Traditional Use
A synthetic ester created in the 20th century by chemically combining cetyl alcohol with oleic acid (a naturally occurring unsaturated fatty acid). Used in cosmetics as a lightweight emollient and conditioning agent.
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