Sodium Silicate

Sodium silicate is an inorganic, water-soluble sodium salt of silicic acid used in personal care. It adjusts and maintains alkaline pH, aids stability in water-based systems, and refines texture in masks, cleansers, and some serums.
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Ingredient Snapshot

Overview
A mineral salt that balances pH and stabilizes water-based formulas.
Category
Tone/Texture
Type
pH Adjuster

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

It balances formula alkalinity to keep performance consistent and can make application feel more uniform, though direct skin benefits are minimal, with limited evidence beyond formulation support.

Uses In Skincare & Cosmetics

It's used in toners, exfoliating solutions, and gel treatments to maintain stability and consistent texture during use.

Comedogenic Rating

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

Safety

It's generally safe at low concentrations in well-formulated products, but its alkalinity can cause dryness or irritation, particularly for sensitive skin. It's best suited to rinse-off or tightly controlled pH systems. Avoid contact with eyes and compromised skin.

Is Sodium Silicate a Good Ingredient?

It rates Fair: it's reliable as a pH-raising and stabilizing aid with little direct skin benefit, and its high alkalinity can disrupt the skin barrier and sting, especially in leave-ons or at higher levels.

Products with Sodium Silicate

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