Snapshot
- Overview
- A mineral salt that helps stabilize emulsions and balance pH.
- Category
- Emulsifying
- Type
- pH Adjuster
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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Our take
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.
What it does
Skin Benefits
It keeps textures uniform and glide comfortable during application, and maintains suitable pH so formulas remain consistent over time.
Where you'll find it
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.
Before you use it
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.
Products with Sodium Borate
