Sodium Laureth Sulfate (SLES)

The most common foaming agent in shampoo and body wash, milder than sodium lauryl sulfate.

Type
Surfactant
How serious
Low severity
Evidence
Moderate evidence

Why it is flagged

An irritant at high concentration rather than an allergen. Ethoxylation can leave trace 1,4-dioxane, which reputable manufacturers strip during production.

Health topics it bears on

Sources

Also listed as

sles, sodium lauryl ether sulfate, sodium laureth sulphate

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