Glyceryl Ricinoleate

AKA: Glyceryl monoricinoleate, 1323-38-2, 9-Octadecenoic acid, Monoester with 1, 2, 3-propanetriol, Monoricinolein
Synthetic
Emollient
Skin Conditioner
Clean
OriginDerived from castor oil (Ricinus communis) or synthesized from glycerin and ricinoleic acid as starting materials. Produced through esterification of glycerin with ricinoleic acid or castor oil fatty acids under controlled conditions.
(R)-12-hydroxyoleic acid, monoester with glycerol
Formula
C21H40O5
Mol. Weight
372.50
CAS #
1323-38-2, 141-08-2
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed5 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Mixed Eye Irritation Results
11 studies / 6 irritating / 2 mixed / 3 not irritating / reactions minimal to mild (CIR 150 and 706)
Mixed Skin Irritation Results
9 studies / 2 irritating / 1 mixed / 6 not irritating / reactions minimal to mild (CIR 150 and 706)
Concentration Guide
Leave-on1.5–15.2%
Rinse-offNot reported
0%50%100%
CIR reported use · 2014 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR