Cosmetic ingredient dictionary
Trisodium Phosphate in cosmetics: what it is and what it does
Trisodium Phosphate is a cosmetic ingredient that keeps the product's acidity steady. Open Beauty Facts finds it in 149 products, most often toothpastes.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Trisodium Phosphate do in a product?
In a cosmetic product, Trisodium Phosphate keeps the product's acidity steady and binds metals in water so the product stays stable. The EU’s CosIng database lists these jobs for it: buffering and chelating.
What other names and numbers does Trisodium Phosphate have?
- CAS number
- 7601-54-9
- EC number
- 231-509-8
- CosIng reference
- 38776
Which products contain Trisodium Phosphate?
Open Beauty Facts finds Trisodium Phosphate in the ingredient lists of 149 of the 22,021 products it has a list for, most often toothpastes and whitening toothpastes.
Products with it, by country of sale: France 61 · Germany 26 · Australia 12 · United States 9.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Trisodium 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
Create a website profile with the things you avoid and the people you check for.
Build my profileSaved to your account. On launch day, sign in to the app with the same email and carry on where you left off.