Polyglyceryl-3 Pentaricinoleate

AKA: Polyglyceryl-3 Ricinoleate, Emollient Ester
Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Plant Oil
Not Clean
9-(Z)-Octadecanoic acid, 12-(R)-hydroxy-, pentaester with triglycerol
Effective at 1.35%
CAS #
221354-73-0
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 plant-based synthetic emulsifier combining polyglycerin with castor oil fatty acids. Created to provide natural-origin emulsification in contemporary skincare formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
1.2%
1.5%
0%2%
Reported use
CIR reported use: 1.2-1.5
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
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: CosIng · EWG · CIR