Cosmetic ingredient dictionary

Stearalkonium Bentonite in cosmetics: what it is and what it does

Stearalkonium Bentonite is a cosmetic ingredient that makes the product thicker or thinner. Open Beauty Facts finds it in 111 products, most often nail polishes.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Stearalkonium Bentonite do in a product?

In a cosmetic product, Stearalkonium Bentonite makes the product thicker or thinner and turns a liquid into a gel. The EU’s CosIng database lists these jobs for it: viscosity controlling and gel forming.

viscosity controllinggel forming

What other names and numbers does Stearalkonium Bentonite have?

CAS number
130501-87-0
CosIng reference
78869

Which products contain Stearalkonium Bentonite?

Open Beauty Facts finds Stearalkonium Bentonite in the ingredient lists of 111 of the 22,021 products it has a list for, most often nail polishes, breathable nail polishes and nail makeup.

  • Nail polishes64
  • Breathable nail polishes49
  • Nail makeup21
  • Makeup14

Products with it, by country of sale: Turkey 64 · Türkiye 15 · Germany 11 · Netherlands 9.

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