PEG-44 Castor Oil
AKA “Polyethylene Glycol 44 Castor Oil”
Carrier Oil
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Ingredient Facts
Peg-44 castor oil
AKA: Polyethylene Glycol 44 Castor Oil
Carrier Oil · Cleansing · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
Castor oil, ethoxylated (44 mol EO average molar ratio)
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
61791-12-6
Form
Oil
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic emulsifier derived from castor oil, which has been used for over 4,000 years in Egyptian and Ayurvedic medicine as a skin moisturizer and anti-inflammatory. The PEG modification was developed in the mid-20th century to improve water solubility and emulsifying properties.
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