Potassium Castorate

AKA: Potassium castor oil, Potassium ricinoleate

Synthetic

Cleanser

Clean

OriginDerived from castor oil, a botanical oil extracted from Ricinus communis seeds native to tropical regions. Produced through saponification of castor oil with potassium hydroxide to create a potassium soap.

fatty acids, castor oil, potassium salts

CAS #

8013-05-6

Form

Liquid

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.

Cleansing Surfactant

Removes Impurities

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.

EWG

CIR

Safe as used

Pregnancy

Yes

Concentration Guide

Leave-onNot reported

Rinse-off0.52%

0%50%100%

CIR reported use · 2016 survey

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Verified Jun 2026

Data: CosIng · EWG · CIR