Phytosteryl Ricinoleate

Phytosteryl Ricinoleate molecular structure
molecular structure · PubChem
AKA: Phytosterol Ricinoleate, Plant Sterol Castor Oil Ester
Synthetic
Skin Conditioner
Hair Care
Not Clean
OriginDerived from phytosterols (plant-derived steroid alcohols) and ricinoleic acid, a fatty acid from castor oil. Produced through esterification, chemically bonding phytosterols with ricinoleic acid under controlled conditions.
12-Hydroxy-9-octadecenoic acid, phytosterols ester
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2013
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR