Cosmetic ingredient dictionary

Isononyl Isononanoate in cosmetics: what it is and what it does

Isononyl Isononanoate is a cosmetic ingredient that softens and smooths the skin. Open Beauty Facts finds it in 92 products, most often face makeup.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Isononyl Isononanoate do in a product?

In a cosmetic product, Isononyl Isononanoate softens and smooths the skin, keeps the skin in good condition, and reduces static, so hair stays flat. The EU’s CosIng database lists these jobs for it: emollient, skin conditioning and antistatic.

emollientskin conditioningantistatic

What other names and numbers does Isononyl Isononanoate have?

CAS number
59219-71-5, 42131-25-9
EC number
261-665-2
CosIng reference
76782

Which products contain Isononyl Isononanoate?

Open Beauty Facts finds Isononyl Isononanoate in the ingredient lists of 92 of the 22,021 products it has a list for, most often face makeup, makeup and body care.

  • Face makeup5
  • Makeup5
  • Body care4

Products with it, by country of sale: France 24 · Germany 12 · Australia 11 · Türkiye 8.

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