PEG-50 Hydrogenated Castor Oil Laurate
AKA “Polyethylene Glycol 50 Hydrogenated Castor Oil Laurate
Carrier Oil
Ingredient Facts
Peg-50 hydrogenated castor oil laurate
AKA: Polyethylene Glycol 50 Hydrogenated Castor Oil Laurate
Carrier Oil · Skin Conditioning · EWG: 4
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
See origin →
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.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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%
Effective Range
CIR reported use: 0.002-0.003 | 1-40
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR