CheckVegan

Is Dithiaoctanediol vegan?

Dithiaoctanediol

Vegan Vegan
Vegetarian Vegetarian

Dithiaoctanediol, also known as 2,2'-ethylenedithiodiethanol, is a synthetic organosulfur compound used in cosmetic formulations, notably in permanent wave and hair straightening products.

Also known as 2,2'-Ethylenedithiodiethanol
INCI name Dithiaoctanediol
CAS number 5244-34-8
EC number 226-045-8
CosIng ID 75973
Last reviewed 4 July 2026

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

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue