Sodium Laureth Sulfate (SLES)

Medium Concern

Surfactant

Also known as

sodium laureth sulfateslessodium lauryl ether sulfate

The concern

Can be contaminated with 1,4-dioxane (an IARC Group 2B probable carcinogen) during manufacturing. EWG rates moderate concern. FDA has recommended limits on 1,4-dioxane contamination.

Read the source: EWG / FDA

What to look for on labels

This ingredient may appear under any of the following names or codes on product labels:

Sodium Laureth Sulfate (SLES)
sodium laureth sulfate
sles
sodium lauryl ether sulfate

Learn more

Read the full evidence directly from the authoritative source.

View source — EWG / FDA

Data sourced from IARC, FDA, EFSA, WHO and EWG public data. For informational purposes only. This does not constitute medical or legal advice.

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