PEG-50 Hydrogenated Castor Oil Laurate
AKA: Polyethylene Glycol 50 Hydrogenated Castor Oil Laurate
Plant-Derived
Skin Conditioner
Plant Oil
Not Clean
Castor oil (Ricinus communis), hydrogenated, ethoxylated, monododecanoate (50 mol EO average molar ratio)
Effective at 20.0%
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
61788-85-0
Form
Oil
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.
Locks in moisture
Traditional Use
Developed in the mid-20th century as a synthetic emulsifier combining polyethylene glycol with hydrogenated castor oil and lauric acid derivatives. Created to improve solubility and emulsification properties in cosmetic formulations where traditional emulsifiers proved inadequate.
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 Agencies
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