PEG-40 Hydrogenated Castor Oil Laurate
AKA “Polyethylene Glycol 40 Hydrogenated Castor Oil Laurate”
Carrier Oil
Ingredient Facts
Peg-40 hydrogenated castor oil laurate
AKA: Polyethylene Glycol 40 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 (40 mol EO average molar ratio)
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. Designed to improve water-oil compatibility and product stability in cosmetic formulations.
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
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR