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Calcium Sodium Phosphosilicate

What Calcium Sodium Phosphosilicate is & what it does

Calcium Sodium Phosphosilicate is a synthetic bioactive glass made from calcium, sodium, phosphorus, and silicon oxides. In cosmetic formulas it is used as an abrasive and a mineral-based functional ingredient, and similar bioactive glasses are studied for their ability to release mineral ions in contact with moisture. A notable property is that these glasses can form a mineral layer that helps occlude exposed surfaces, which is why related materials appear in oral care.

What does Calcium Sodium Phosphosilicate do in skincare?

Calcium Sodium Phosphosilicate is a mineral-based bioactive glass that can be used as an abrasive and a functional ingredient. Related bioactive glasses are studied for releasing mineral ions and forming a mineral surface layer in contact with moisture. Its role in a given product depends on the formula and particle size.

Is Calcium Sodium Phosphosilicate natural or synthetic?

It is synthetic, manufactured from oxides of calcium, sodium, phosphorus, and silicon. Although it is mineral-based and similar materials occur in nature, the cosmetic ingredient is produced under controlled conditions. This consistency is part of why it is used in cosmetics and oral care.

Is Calcium Sodium Phosphosilicate safe?

Calcium Sodium Phosphosilicate is used in cosmetics and oral care products and is generally considered suitable at the levels formulators use. As with any abrasive mineral ingredient, the experience depends on particle size and the rest of the product. If you have sensitive skin, reviewing the full product is reasonable.

Sunscreens with Calcium Sodium Phosphosilicate

We rate 10 sunscreens that contain it:

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