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Ingredient Facts
C40-60 pareth-10
AKA: Long-chain Pareth-10, Surfactant
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Alcohols, C40-60, ethoxylated (10 mol EO average molar ratio)
CAS #
246538-86-3
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 ethoxylated surfactant developed in the 20th century as a sophisticated emulsifier for complex cosmetic formulations requiring stable oil-water systems and mild cleansing.