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Is Oleyl Betaine vegetarian?

Oleyl Betaine

A betaine surfactant derived from oleyl amine, used as a mild surfactant and conditioning agent in personal care products. The oleyl fatty chain can be sourced from plant oils or animal fat.

Also known as 9-(Z)-Octadecenaminium, N-(carboxymethyl)-N,N-dimethyl-, inner salt
INCI name Oleyl Betaine
CAS number 871-37-4
EC number 212-806-1
CosIng ID 78024
Last reviewed 9 July 2026

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

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