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Sodium Metaphosphate

What Sodium Metaphosphate is & what it does

Sodium Metaphosphate is an inorganic sodium phosphate salt used in cosmetic formulas. It typically serves as a chelating or buffering agent, helping to bind metal ions and stabilize the product over time. It is used in small amounts to support formula stability rather than for any direct skin benefit.

What does Sodium Metaphosphate do in skincare?

Sodium Metaphosphate is used in cosmetic formulas mainly as a chelating and buffering agent. It helps bind stray metal ions and keep the product stable over its shelf life. It works behind the scenes to support the formula rather than providing a direct skin benefit.

Is Sodium Metaphosphate safe?

Sodium Metaphosphate is an inorganic phosphate salt used in small amounts in cosmetics and is generally considered safe at those levels. It is a functional, supporting ingredient rather than an active. If you have specific concerns about phosphates, consulting a healthcare professional is reasonable.

Is Sodium Metaphosphate natural or synthetic?

Sodium Metaphosphate is a synthetic inorganic compound, a sodium salt of phosphate produced through industrial chemical processing. It is not a plant or animal ingredient. Being mineral-based and synthetic, it is typically suitable for vegan formulas.

Sunscreens with Sodium Metaphosphate

We rate 27 sunscreens that contain it, showing the top 10 by overall score:

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