Cosmetic ingredient dictionary
Potassium Oleate in cosmetics: what it is and what it does
Potassium Oleate is a cosmetic ingredient that lets oil and water mix, so the product can wash dirt away. Open Beauty Facts finds it in 9 products, most often soaps.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Potassium Oleate do in a product?
In a cosmetic product, Potassium Oleate lets oil and water mix, so the product can wash dirt away, and keeps oil and water mixed. The EU’s CosIng database lists these jobs for it: surfactant and emulsifying.
What other names and numbers does Potassium Oleate have?
- CAS number
- 143-18-0, 23282-35-1
- EC number
- 205-590-5
- CosIng reference
- 79635
Which products contain Potassium Oleate?
Open Beauty Facts finds Potassium Oleate in the ingredient lists of 9 of the 22,021 products it has a list for, most often soaps, marseille soaps and face care.
Products with it, by country of sale: France 5 · Vietnam 1 · Italy 1 · United States 1.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Potassium Oleate 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’.
- European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
- 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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