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Calcium Dihydrogen Phosphate

INCI: CALCIUM DIHYDROGEN PHOSPHATE

Reviewed by Rosie · Last updated 18 Aug 2026

What Is Calcium Dihydrogen Phosphate?

Calcium Dihydrogen Phosphate (INCI: CALCIUM DIHYDROGEN PHOSPHATE) is a cosmetic ingredient listed in the EU CosIng inventory. Phosphoric acid, calcium salt (2:1).

Its declared cosmetic function is buffering.

Source: European Commission CosIng inventory.

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