Last reviewed May 2026 · 1 min read
Is Oleyl Alcohol vegan?
Also known as: cis-9-octadecen-1-ol
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Source can be plant or animal.
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It depends — It can be derived from fish oils (non-vegan) or vegetable oils like beef tallow (non-vegan).
01 · The basics
What is Oleyl Alcohol?
A fatty alcohol used as a surfactant, emollient, and thickener in cosmetics.
02 · The source
Where it comes from
It can be derived from fish oils (non-vegan) or vegetable oils like beef tallow (non-vegan). Modern versions are often from olive oil, but verification is required.
03 · Alternatives
Best vegan alternatives
Plant-derived fatty alcohols
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Frequently asked
FAQ
How can I tell if oleyl alcohol is vegan?
Unless the brand is certified cruelty-free and vegan, it is hard to tell. Many traditional brands still use fish-derived oleyl alcohol.
Is it different from regular alcohol?
Yes, like cetyl alcohol, it is a 'fatty alcohol' which is moisturizing rather than drying.
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