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Cosmetic ingredient dictionary

Polyglyceryl-4 Isostearate in cosmetics: what it is and what it does

Polyglyceryl-4 Isostearate is a cosmetic ingredient that keeps oil and water mixed. Open Beauty Facts finds it in 85 products, most often concealers.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Polyglyceryl-4 Isostearate do in a product?

In a cosmetic product, Polyglyceryl-4 Isostearate keeps oil and water mixed. The EU’s CosIng database lists this job for it: emulsifying.

emulsifying

What other names and numbers does Polyglyceryl-4 Isostearate have?

CosIng reference
78910

Which products contain Polyglyceryl-4 Isostearate?

Open Beauty Facts finds Polyglyceryl-4 Isostearate in the ingredient lists of 85 of the 22,021 products it has a list for, most often concealers, face makeup and makeup.

  • Concealers25
  • Face makeup14
  • Makeup13
  • Foundations3

Products with it, by country of sale: United States 31 · Netherlands 15 · France 12 · Australia 11.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Polyglyceryl-4 Isostearate 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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