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INCI ingredient

Polymethylsilsesquioxane

Also listed as: Polymethylsilsesquioxane/Trimethylsiloxysilicate, Ingredients Polymethylsilsesquioxane

Polymethylsilsesquioxane appears on 69 ingredient lists in our database, most often in face creams.

What it triggers

  • Vegan originNot sureorigin not on file
  • FragranceNonot a perfume ingredient
  • ParabenNonot a preservative of this family
  • SulfateNonot a sulfate surfactant
  • SiliconeYesthis is a silicone
  • AlcoholNonot a drying alcohol

If a product lists Polymethylsilsesquioxane, its silicone-free answer is No. Nothing else changes.

What it does

Polymethylsilsesquioxane appears on 69 ingredient lists in our database, most often in face creams.

On the label it counts as silicone, which is why a product that lists it cannot be silicone-free.

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

Functions: not reported

Products with Polymethylsilsesquioxane

in 69 products

Showing 24 of 69 products with this ingredient, most scanned first.

In the EU ingredient database

Functions listed by CosIng
  • not reported
  • not reported: No function currently reported
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.

Silicone-free instead

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