Potassium PEG-50 Hydrogenated Castor Oil Succinate

Potassium PEG-50 Hydrogenated Castor Oil Succinate 1
AKA: PEG-50 hydrogenated castor oil succinate potassium salt
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
Potassium salt of PEG-50 hydrogenated castor oil succinate
Effective at 20.0%
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
Form
Oil
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.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A modern synthetic surfactant and emulsifier developed in the late 20th century through the chemical modification of castor oil. Created to improve texture and stability in cosmetic and personal care formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.002%
40.0%
0%56%
Reported use
CIR reported use: 0.002-0.003 | 1-40
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR