Cosmetic ingredient dictionary
Potassium Phosphate in cosmetics: what it is and what it does
Potassium Phosphate is a cosmetic ingredient that keeps the product's acidity steady. Open Beauty Facts finds it in 95 products, most often cleansers.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Potassium Phosphate do in a product?
In a cosmetic product, Potassium Phosphate keeps the product's acidity steady. The EU’s CosIng database lists this job for it: buffering.
What other names and numbers does Potassium Phosphate have?
- CAS number
- 7778-77-0, 16068-46-5
- EC number
- 231-913-4, 240-213-8
- CosIng reference
- 79722
Which products contain Potassium Phosphate?
Open Beauty Facts finds Potassium Phosphate in the ingredient lists of 95 of the 22,021 products it has a list for, most often cleansers, body care and facial creams.
Products with it, by country of sale: United States 25 · Germany 18 · France 14 · Netherlands 6.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Potassium Phosphate 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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