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Magnesium Hydrogen Phosphate

INCI: MAGNESIUM HYDROGEN PHOSPHATE

Reviewed by Rosie · Last updated 18 Aug 2026

What Is Magnesium Hydrogen Phosphate?

Magnesium Hydrogen Phosphate (INCI: MAGNESIUM HYDROGEN PHOSPHATE) is a cosmetic ingredient listed in the EU CosIng inventory. Phosphoric acid, magnesium salt (1:1).

Its declared cosmetic function is anticaking.

Source: European Commission CosIng inventory.

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