Polyglyceryl-3 oleate

AKA: 33940-98-6, Oleic acid, Monoester with triglycerol, Triglycerol monooleate, CAPROL 3GO, SUNSOFT A-17C, ISOLAN GO 33, SUNSOFT A-171C, TRIGLYCERIN MONOOLEATE
Synthetic
Cleanser
Emulsifier
Clean
ester of triglycerol and oleic acid
Formula
C27H52O8
Mol. Weight
504.70
CAS #
33940-98-6
Form
Oil
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Brightens Skin
Mixes Oil & Water
Traditional Use
A synthetic emulsifier developed in the mid-20th century from glycerin and oleic acid. Designed to provide gentle, non-ionic emulsification for modern cosmetic formulations with reduced irritation.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR