Calcium Sodium Phosphosilicate

Calcium sodium phosphosilicate is an inorganic glass made of calcium, sodium, phosphorus, and silica. In topical cosmetics, it's used for mineral delivery and mild surface conditioning, though evidence for meaningful skin benefits remains limited.
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Ingredient Snapshot

Overview
A mineral glass used for gentle mineral delivery to skin.
Category
Skin Conditioning
Type
Mineral

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

May provide a gentle source of minerals and help skin feel smoother upon application; current cosmetic evidence is limited, so benefits can be modest.

Uses In Skincare & Cosmetics

Included in moisturizers, creams, and primers to support formula feel and add mineral content, and occasionally used in masks or serums for a conditioned finish.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Typically safe in leave-on cosmetics, though slight irritation or dryness can occur for some users, particularly with heavier particulate loads. Avoid inhalation of loose powder and discontinue use if irritation develops.

Is Calcium Sodium Phosphosilicate a Good Ingredient?

Evidence for topical skin-conditioning benefits is limited, so performance is modest, which is why it's rated Fair; as a particulate, it can also cause mild mechanical irritation in sensitive skin at higher concentrations.

Products with Calcium Sodium Phosphosilicate

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