Snapshot
- Overview
- A mineral glass used for gentle mineral delivery to skin.
- Category
- Skin Conditioning
- Type
- Mineral
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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Our take
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.
What it does
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.
Where you'll find it
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.
Before you use it
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.
