INCI name

PENTASODIUM TRIPHOSPHATE

Sodium tripolyphosphate

A phosphate salt that buffers pH and binds metal ions.

What it is

Pentasodium triphosphate, also called sodium tripolyphosphate, is an inorganic sodium salt of triphosphoric acid. CosIng lists it as buffering and chelating.

Where it is used

Found mainly in toothpastes, and also in some bath and cleansing products.

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

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 (59)

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