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Tetrapotassium Pyrophosphate

Balances the pH.

What it is

A phosphate salt made in a lab.

Keeps the product's pH steady and binds traces of metals, and it is used in oral care products.

A short summary from the dictionary, not yet an in-depth article. About these entries

What it does in a formula

Balances the pHOfficial EU function: Buffering
Keeps the formula stableOfficial EU function: Chelating
Used in oral careOfficial EU function: Oral care