Cosmetic ingredient dictionary
Isostearyl Isostearate in cosmetics: what it is and what it does
Isostearyl Isostearate is a cosmetic ingredient that softens and smooths the skin. Open Beauty Facts finds it in 25 products, most often face care.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Isostearyl Isostearate do in a product?
In a cosmetic product, Isostearyl Isostearate softens and smooths the skin, keeps the skin in good condition, and holds a powder or a pressed product together. The EU’s CosIng database lists these jobs for it: emollient, skin conditioning and binding.
What other names and numbers does Isostearyl Isostearate have?
- CAS number
- 41669-30-1
- EC number
- 255-485-3
- CosIng reference
- 34765
Which products contain Isostearyl Isostearate?
Open Beauty Facts finds Isostearyl Isostearate in the ingredient lists of 25 of the 22,021 products it has a list for, most often face care, lipsticks and lip makeup.
Products with it, by country of sale: Norway 6 · France 4 · Belgium 3 · Spain 3.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Isostearyl Isostearate 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’.
- European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
- 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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