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Is Octylisothiazolinone vegan?

Octylisothiazolinone

Vegan Vegan
Vegetarian Vegetarian

Octylisothiazolinone is a synthetic isothiazolinone compound used as a preservative and biocide in personal care and industrial products.

Also known as 2-Octyl-3(2H)-isothiazolinone
INCI name Octylisothiazolinone
CAS number 26530-20-1
EC number 247-761-7
CosIng ID 57621
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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