PEG-3 Castor Oil
AKA “Polyethylene Glycol 3 Castor Oil”
Essential Oil
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Ingredient Facts
Peg-3 castor oil
AKA: Polyethylene Glycol 3 Castor Oil
Essential Oil · Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Essential Oil
Not Clean
A gentle plant-based cleanser derived from castor seeds that helps remove impurities and allows oils and water to blend smoothly in formulas.
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
61791-12-6
Form
Oil
Plant-Derived
Botanical. Native to India. Derived from castor oil extracted from seeds of Ricinus communis, a plant in the Euphorbiaceae family native to India. Created by polyethylene glycol ethoxylation of castor oil through chemical modification.
Plant Source
Euphorbiaceae (Spurge family)
Plant Part
Seed
Function
Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Castor oil has been used for over 5,000 years in Egyptian, Indian, and traditional Asian medicine for skin healing and conditioning. This low molecular weight PEG-modified version was developed to improve its spreadability and incorporation into 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