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Ingredient Facts
C20-40 pareth-3
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Alcohols, C20-40, ethoxylated (3 mol EO average molar ratio)
CAS #
246538-83-0
Form
Liquid
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 modern synthetic surfactant created in the 20th century for cosmetic use. Functions as an emulsifier and dispersing agent in personal care formulations.