Cosmetic ingredient dictionary

Tetrapotassium Pyrophosphate in cosmetics: what it is and what it does

Tetrapotassium Pyrophosphate is a cosmetic ingredient that keeps the product's acidity steady. Open Beauty Facts finds it in 102 products, most often toothpastes.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Tetrapotassium Pyrophosphate do in a product?

In a cosmetic product, Tetrapotassium Pyrophosphate keeps the product's acidity steady, binds metals in water so the product stays stable, and cares for teeth and mouth. The EU’s CosIng database lists these jobs for it: buffering, chelating and oral care.

bufferingchelatingoral care

What other names and numbers does Tetrapotassium Pyrophosphate have?

CAS number
7320-34-5
EC number
230-785-7
CosIng reference
80751

Which products contain Tetrapotassium Pyrophosphate?

Open Beauty Facts finds Tetrapotassium Pyrophosphate in the ingredient lists of 102 of the 22,021 products it has a list for, most often toothpastes and whitening toothpastes.

  • Toothpastes47
  • Whitening toothpastes5

Products with it, by country of sale: Germany 34 · France 30 · Italy 8 · Australia 7.

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