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Cosmetic ingredient dictionary

Undecane in cosmetics: what it is and what it does

Undecane is a cosmetic ingredient that softens and smooths the skin. Open Beauty Facts finds it in 87 products, most often concealers.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Undecane do in a product?

In a cosmetic product, Undecane softens and smooths the skin, and keeps the skin in good condition. The EU’s CosIng database lists these jobs for it: emollient and skin conditioning.

emollientskin conditioning

What other names and numbers does Undecane have?

CAS number
1120-21-4
EC number
214-300-6
CosIng reference
85415

Which products contain Undecane?

Open Beauty Facts finds Undecane in the ingredient lists of 87 of the 22,021 products it has a list for, most often concealers, deodorants and sunscreen.

  • Concealers25
  • Deodorants10
  • Sunscreen7

Products with it, by country of sale: United States 30 · France 19 · Germany 19 · Norway 7.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Undecane 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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