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Cosmetic ingredient dictionary

Sorbitan Sesquiisostearate in cosmetics: what it is and what it does

Sorbitan Sesquiisostearate is a cosmetic ingredient that keeps oil and water mixed. Open Beauty Facts finds it in 7 products, most often makeup.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Sorbitan Sesquiisostearate do in a product?

In a cosmetic product, Sorbitan Sesquiisostearate keeps oil and water mixed. The EU’s CosIng database lists this job for it: emulsifying.

emulsifying

What other names and numbers does Sorbitan Sesquiisostearate have?

CAS number
71812-38-9
CosIng reference
38184

Which products contain Sorbitan Sesquiisostearate?

Open Beauty Facts finds Sorbitan Sesquiisostearate in the ingredient lists of 7 of the 22,021 products it has a list for, most often makeup and sunscreen.

  • Makeup1
  • Sunscreen1

Products with it, by country of sale: United States 3 · Turkey 2 · France 1 · Türkiye 1.

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

On these listsEmulsifiers

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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