Sodium Ricinoleate

AKA: 5323-95-5, Colidosan, Sodium ricinate, Soricin, Ricinoleic acid, Sodium salt, Ricinoleic acid salt, CCRIS 5930
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from castor oil, a plant-based triglyceride rich in ricinoleic acid fatty acids. Produced through saponification of castor oil with sodium hydroxide to create the salt form.
Ricinoleic acid, sodium salt is a white powder. (NTP, 1992)
Solubility Soluble (NTP, 1992)
Formula
C18H33NaO3
Mol. Weight
320.40
CAS #
5323-95-5
State
Ricinoleic acid, sodium salt is a white powder. (NTP, 1992)
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Emulsifying
Strengthens Barrier
Removes dirt and impurities
Mixes oil and water
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2022 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR