PEG-2 Castor Oil
AKA “Polyethylene glycol 2 castor oil”
Essential Oil
Ingredient Facts
Peg-2 castor oil
AKA: Polyethylene glycol 2 castor oil
Essential Oil · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Emulsifier
Plant Oil
Essential Oil
Clean
A gentle plant-based cleanser derived from castor seeds that removes impurities while helping to blend oils and water in formulations for a smooth, unified texture.
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
Reduces Inflammation
Wound Healing
Fights Bacteria
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic derivative combining polyethylene glycol with castor oil, developed in the mid-20th century. Designed to improve the solubility and stability of traditional castor oil while maintaining some of its conditioning properties.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR