Cosmetic ingredient dictionary

Isobutane in cosmetics: what it is and what it does

Isobutane is a cosmetic ingredient that pushes the product out of an aerosol. Open Beauty Facts finds it in 761 products, most often deodorants.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Isobutane do in a product?

In a cosmetic product, Isobutane pushes the product out of an aerosol. The EU’s CosIng database lists this job for it: propellant.

propellant

What other names and numbers does Isobutane have?

CAS number
75-28-5
EC number
200-857-2
CosIng reference
76816

Which products contain Isobutane?

Open Beauty Facts finds Isobutane in the ingredient lists of 761 of the 22,021 products it has a list for, most often deodorants, shaving and anti-perspirants.

  • Deodorants255
  • Shaving31
  • Anti-perspirants28

Products with it, by country of sale: France 330 · Germany 114 · Australia 91 · United States 48.

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

  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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