PEG-40 Hydrogenated Castor Oil Laurate
AKA “Polyethylene Glycol 40 Hydrogenated Castor Oil Laurate”
Essential Oil
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Ingredient Facts
Peg-40 hydrogenated castor oil laurate
AKA: Polyethylene Glycol 40 Hydrogenated Castor Oil Laurate
Essential Oil · Skin Conditioning | Emollient | Surfactant - Cleansing · EWG: 4
Plant-Derived
Emollient
Cleanser
Skin Conditioner
Plant Oil
Essential Oil
Not Clean
Castor oil (Ricinus communis), hydrogenated, ethoxylated, monododecanoate (40 mol EO average molar ratio) Science: Origin: Botanic/Natural | Process: Catalytic Hydrogenation | Functions: Skin Conditioning Safety Ratings: CIR: Safe as used
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
61788-85-0
Form
Oil
Plant-Derived
Botanical. Native to India. Derived from castor oil seeds (Ricinus communis) native to tropical regions, primarily cultivated in India. Produced through hydrogenation and ethoxylation of castor oil, then esterified with lauric acid.
Plant Source
Euphorbiaceae (Spurge family)
Plant Part
Seed
Function
Skin Conditioning | Emollient | Surfactant - Cleansing
Benefits
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
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR