Sodium Borate

Sodium borate is an inorganic boron-based mineral salt that acts as a pH adjuster, buffer, and secondary emulsifier. It's used to stabilize emulsions, refine product feel, and support preservative performance within regulated concentration limits.
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Ingredient Snapshot

Overview
A mineral salt that helps stabilize emulsions and balance pH.
Category
Emulsifying
Type
pH Adjuster

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

It keeps textures uniform and glide comfortable during application, and maintains suitable pH so formulas remain consistent over time.

Uses In Skincare & Cosmetics

It's found in moisturizers, creams, and lotions to balance pH and support stable emulsions, and used in masks and some leave-on products to fine-tune feel and stability.

Comedogenic Rating

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

Safety

It's generally acceptable at low cosmetic levels, though it may irritate sensitive or compromised skin. Several regions restrict maximum concentrations and certain uses, so staying within those limits matters.

Is Sodium Borate a Good Ingredient?

It's useful as a buffer, pH adjuster, and co-emulsifier, but offers little direct skin benefit. It rates Fair due to irritation potential at higher exposure and the regulatory concentration limits placed on borates.

Products with Sodium Borate

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