Di
Disodium Phosphate
Disodium Phosphate
A phosphate buffer salt that holds a formula at a steady, skin-suitable pH.
What it does
Disodium phosphate is a buffer salt, usually paired with a more acidic phosphate, that keeps a formula at a steady target pH despite small changes. A stable pH protects ingredient performance and keeps the product comfortable on skin. It is a pH-control ingredient rather than an active.
Also known as
disodium hydrogen phosphate
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