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Ingredient · Personal Care Active

Sodium Laureth Sulfate (SLES)

Mixed · 5/10, higher is cleaner

How we reached this

Ethoxylation can leave 1,4-dioxane contamination (Group 2B carcinogen). EWG Skin Deep score 3; product-batch testing varies.

Sources · 1

Regulatory position

European Unionpermitted with manufacturing controls
United Statespermitted

Also listed as

sodium lauryl ether sulfate

Products containing this · 4

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-23.