Build my profileBuild my profile

Cosmetic ingredient dictionary

Sodium Borate in cosmetics: what it is and what it does

Sodium Borate is a cosmetic ingredient that keeps the product's acidity steady. The EU allows it only with limits or conditions. Open Beauty Facts finds it in 9 products, most often body care.

By Bravoora teamUpdated Sources checked 3 sourcesHow we check

What does Sodium Borate do in a product?

In a cosmetic product, Sodium Borate keeps the product's acidity steady. The EU’s CosIng database lists this job for it: buffering.

buffering

What other names and numbers does Sodium Borate have?

CAS number
1330-43-4, 1303-96-4
EC number
215-540-4 (both)
CosIng reference
37742

Is Sodium Borate restricted in the EU?

Yes, it has limits. The EU allows it only with limits or conditions of use, such as a maximum amount or a warning on the label (Annex III of Regulation 1223/2009, entries 1a and 1b).

The annex entry sets the exact limits, the products it may be used in and any warning the label must carry.

Which products contain Sodium Borate?

Open Beauty Facts finds Sodium Borate in the ingredient lists of 9 of the 22,021 products it has a list for, most often body care, body creams and hand creams.

  • Body care2
  • Body creams2
  • Hand creams1
  • Sunscreen1

Products with it, by country of sale: United States 2 · France 1 · Argentina 1 · Canada 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Sodium Borate turns up, not how much of the market it is.

On these listsRestricted in the EU

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL
  3. EU Regulation 1223/2009 on cosmetic products (the annexes)

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

Create a website profile with the things you avoid and the people you check for.

Build my profile

Save and edit your profile on this website. App transfer is not available yet.