Glyceryl Sesquioleate
molecular structure · PubChem
AKA: Sesquioleic acid glyceride
Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Not Clean
9-Octadecenoic acid (Z)-, ester with 1,2,3-propanetriol (3:2)
CAS #
90605-02-0
Form
Oil
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
Traditional Use
A modern synthetic ester created in the 20th century by chemically combining glycerin with oleic acid. Developed for use as an emollient and emulsifier in cosmetic formulations.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR