Castor oil (Ricinus communis), hydrogenated, ethoxylated (54 mol EO average molar ratio)
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
61788-85-0
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
Combines polyethylene glycol with hydrogenated castor oil to create a stable emulsifier. Developed in the 20th century to leverage castor oil's traditional skin-soothing properties while improving its stability and solubility in water-based cosmetics.