CheckVegan

Is Quaternium-81 vegan?

Quaternium-81

Vegan Vegan
Vegetarian Vegetarian

A quaternary ammonium compound formed from the reaction of oleic acid derivatives with diethylenetriamine, then quaternized with dimethyl sulfate; used as an antistatic and conditioning agent in hair care and cosmetic formulations.

INCI name Quaternium-81
CAS number 97953-16-7
EC number 308-415-1
CosIng ID 37445
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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