Last reviewed May 2026 · 1 min read
Is Sodium Laureth Sulfate (SLES) vegan?
Also known as: SLES
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Source can be plant or animal.
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It depends — It is created through the ethoxylation of lauryl alcohol.
01 · The basics
What is Sodium Laureth Sulfate (SLES)?
A very common surfactant and foaming agent, formulated to be gentler on the skin than SLS.
02 · The source
Where it comes from
It is created through the ethoxylation of lauryl alcohol. While lauryl alcohol is typically sourced from coconut or palm oil (vegan), it can sometimes be derived from animal fat. Verification is needed.
03 · Alternatives
Best vegan alternatives
Sodium Coco Sulfate (SCS)
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Frequently asked
FAQ
How do I know if SLES is vegan?
Most major personal care brands use coconut-derived SLES, but unless the product is certified vegan, animal sources cannot be entirely ruled out.
What is the difference between SLS and SLES?
SLES goes through a process called ethoxylation, making its molecules larger and significantly less irritating to the skin than SLS.
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