CheckVegan

Is Undeceth-9 vegetarian?

Undeceth-9

Vegetarian Vegetarian
Vegan Vegan

Undeceth-9 is a nonionic surfactant formed by the ethoxylation of undecyl alcohol with an average of 9 moles of ethylene oxide, used in cosmetics as an emulsifier or surfactant.

Also known as Poly(oxy-1,2-ethanediyl), .alpha.-hydroxy-.omega.-(undecyloxy)-
INCI name Undeceth-9
CosIng ID 59953
Last reviewed 4 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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