Is Sodium Tetraborate vegan?
Sodium Tetraborate
Sodium tetraborate, commonly known as borax, is an inorganic boron compound with the formula Na2B4O7. It occurs naturally as a mineral deposit and is used as a buffering agent, pH adjuster, and preservative booster in cosmetic formulations.
| Also known as | Borax, Boron sodium oxide, Disodium tetraborate, Disodium tetraborate decahydrate (borax decahydrate), Disodium tetraborate, anhydrous (boric acid, disodium salt), Sodium borate |
|---|---|
| INCI name | Sodium Tetraborate |
| E number | E285 |
| INS number | 285 |
| CAS number | 1303-96-4 |
| EC number | 215-540-4 |
| CosIng ID | 37742 |
| Last reviewed | 22 April 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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