Methyl Ricinoleate

Methyl Ricinoleate molecular structure
molecular structure · PubChem
AKA: 141-24-2, Flexricin P-1, RICINOLEIC ACID, METHYL ESTER, DUB RM, 9-Octadecenoic acid, Methyl ester
Synthetic
Emollient
Skin Conditioner
Plant Oil
Not Clean
Ricinoleic Acid methyl ester is an aliphatic alcohol.
Solubility Soluble in alcohol, ether
Formula
C19H36O3
Mol. Weight
312.50
CAS #
141-24-2
Form
Liquid
State
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 derived from castor oil developed in the early 20th century as a replacement for natural ricinoleic acid. Used in modern cosmetics as an emollient and skin-conditioning agent.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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: PubChem · CosIng · EWG · CIR