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Cosmetic ingredient dictionary

Isododecane in cosmetics: what it is and what it does

Isododecane is a cosmetic ingredient that softens and smooths the skin. Open Beauty Facts finds it in 269 products, most often face makeup.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Isododecane do in a product?

In a cosmetic product, Isododecane softens and smooths the skin, dissolves other ingredients, and adds scent. The EU’s CosIng database lists these jobs for it: emollient, solvent and perfuming.

emollientsolventperfuming

What other names and numbers does Isododecane have?

CAS number
31807-55-3, 93685-81-5, 13475-82-6
EC number
250-816-8, 297-629-8, 236-757-0
CosIng reference
34648

Which products contain Isododecane?

Open Beauty Facts finds Isododecane in the ingredient lists of 269 of the 22,021 products it has a list for, most often face makeup, foundations and makeup.

  • Face makeup64
  • Foundations49
  • Makeup18
  • Eye makeup11

Products with it, by country of sale: United States 60 · France 40 · Netherlands 26 · Norway 25.

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

On these listsEmollients

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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