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INCI ingredient

Sodium Methyl Isethionate

Also listed as: Sodium Sodium Methyl Isethionate

Sodium Methyl Isethionate appears on 7 ingredient lists in our database, most often in bar soaps.

What it triggers

  • Vegan originYesno animal source
  • FragranceNonot a perfume ingredient
  • ParabenNonot a preservative of this family
  • SulfateNonot a sulfate surfactant
  • SiliconeNonot a silicone
  • AlcoholNonot a drying alcohol

What it does

Sodium Methyl Isethionate appears on 7 ingredient lists in our database, most often in bar soaps.

It does not belong to any of the six groups we check, so it never changes a verdict.

We have not written the plain-language note for this ingredient yet; the facts above come straight from how it is classified.

Functions: surfactant - emulsifying

Products with Sodium Methyl Isethionate

in 7 products

Showing 7 of 7 products with this ingredient, most scanned first.

In the EU ingredient database

Functions listed by CosIng
  • surfactant - emulsifying
  • surfactant - emulsifying: Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.

CAS 869737-84-8

EU regulation

Not on a restricted-substances annex. Listed as an allowed cosmetic ingredient.

Source: CosIng, European Commission. Informative, no legal value; the regulation text is the reference.

Classification from the INCI name; product lists from Open Beauty Facts.Report a mistake