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Cosmetic ingredient dictionary

Isostearyl Alcohol in cosmetics: what it is and what it does

Isostearyl Alcohol is a cosmetic ingredient that softens and smooths the skin. Open Beauty Facts finds it in 16 products, most often hair care.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Isostearyl Alcohol do in a product?

In a cosmetic product, Isostearyl Alcohol softens and smooths the skin, keeps the skin in good condition, and makes the product thicker or thinner. The EU’s CosIng database lists these jobs for it: emollient, skin conditioning and viscosity controlling.

emollientskin conditioningviscosity controlling

What other names and numbers does Isostearyl Alcohol have?

CAS number
27458-93-1
EC number
248-470-8
CosIng reference
34752

Which products contain Isostearyl Alcohol?

Open Beauty Facts finds Isostearyl Alcohol in the ingredient lists of 16 of the 22,021 products it has a list for, most often hair care, hair conditioners and lip makeup.

  • Hair care1
  • Hair conditioners1
  • Lip makeup1
  • Makeup1

Products with it, by country of sale: France 3 · Germany 3 · Switzerland 2 · Netherlands 1.

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