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Cosmetic ingredient dictionary

Calcium Starch Octenylsuccinate in cosmetics: what it is and what it does

Calcium Starch Octenylsuccinate is a cosmetic ingredient that keeps oil and water mixed. Open Beauty Facts finds it in 5 products, most often deodorants.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Calcium Starch Octenylsuccinate do in a product?

In a cosmetic product, Calcium Starch Octenylsuccinate keeps oil and water mixed, makes the product thicker or thinner, and absorbs water or oil. The EU’s CosIng database lists these jobs for it: emulsifying, viscosity controlling, absorbent and emulsion stabilising.

emulsifyingviscosity controllingabsorbentemulsion stabilising

What is Calcium Starch Octenylsuccinate?

Calcium Starch Octenylsuccinate is the calcium salt of the reaction product of octenylsuccinic anhydride with Corn Starch.

CosIng reference
55190

Which products contain Calcium Starch Octenylsuccinate?

Open Beauty Facts finds Calcium Starch Octenylsuccinate in the ingredient lists of 5 of the 22,021 products it has a list for, most often deodorants, eye makeup and eyeshadows.

  • Deodorants3
  • Eye makeup1
  • Eyeshadows1
  • Sunscreen1

Products with it, by country of sale: France 3 · United States 2.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Calcium Starch Octenylsuccinate turns up, not how much of the market it is.

On these listsEmulsifiers

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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