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Cosmetic ingredient dictionary

Trisiloxane in cosmetics: what it is and what it does

Trisiloxane is a cosmetic ingredient that keeps the skin in good condition. Open Beauty Facts finds it in 17 products, most often face makeup.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Trisiloxane do in a product?

In a cosmetic product, Trisiloxane keeps the skin in good condition and stops foam forming. The EU’s CosIng database lists these jobs for it: skin conditioning and antifoaming.

skin conditioningantifoaming

What other names and numbers does Trisiloxane have?

CAS number
107-51-7
EC number
203-497-4
CosIng reference
59885

Which products contain Trisiloxane?

Open Beauty Facts finds Trisiloxane in the ingredient lists of 17 of the 22,021 products it has a list for, most often face makeup and foundations.

  • Face makeup2
  • Foundations2

Products with it, by country of sale: Germany 5 · United States 4 · Australia 3 · France 2.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Trisiloxane turns up, not how much of the market it is.

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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