Is Laureth-9 vegan?
Laureth-9
Laureth-9 is an ethoxylated fatty alcohol (9 moles ethylene oxide) derived from dodecanol (lauryl alcohol), used as a surfactant and emulsifier in cosmetics. The parent alcohol may be plant, animal, or synthetically derived; a related compound is used medically as polidocanol.
| Also known as | 3,6,9,12,15,18,21,24,27-Nonaoxanonatriacontan-1-ol, 500-002-6, 500-213-3, Dodecanol Ethoxylated, Polidocanol, polidocanol [INN:DCF:JAN] |
|---|---|
| INCI name | Laureth-9 |
| CAS number | 3055-99-0 |
| EC number | 221-284-4 |
| CosIng ID | 34930 |
| Last reviewed | 9 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.
