INCI name

DISODIUM PYROPHOSPHATE

Disodium pyrophosphate

A phosphate salt used as a buffer and chelating agent.

What it is

Disodium pyrophosphate is a sodium salt of pyrophosphoric acid. It buffers pH and binds metal ions; in toothpastes pyrophosphates help limit tartar build-up.

Where it is used

Toothpastes and some cleansers.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

Functions

Anticorrosive
Preventing and or inhibiting the corrosion of the packaging material.
Buffering
Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.
Chelating
Forming complexes with metal ions which could affect the stability and/or appearance of cosmetics.

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Products with this ingredient (84)

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