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Sodium Metaphosphate
Sodium Metaphosphate
A phosphate salt used to buffer and stabilize formulas and bind trace metal ions.
What it does
Sodium metaphosphate is a phosphate salt used as a buffering and chelating agent. It helps hold a formula at a steady pH and binds trace metal ions that would otherwise speed up spoilage or discoloration, supporting stability. It is a stability ingredient rather than a skin active.
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