Cosmetic ingredient dictionary

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

Sodium Carbonate is a cosmetic ingredient that keeps the product's acidity steady. Open Beauty Facts finds it in 65 products, most often toothpastes.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Sodium Carbonate do in a product?

In a cosmetic product, Sodium Carbonate keeps the product's acidity steady and adds volume to a powder. The EU’s CosIng database lists these jobs for it: buffering and bulking.

bufferingbulking

What other names and numbers does Sodium Carbonate have?

CAS number
497-19-8
EC number
207-838-8
CosIng reference
37794

Which products contain Sodium Carbonate?

Open Beauty Facts finds Sodium Carbonate in the ingredient lists of 65 of the 22,021 products it has a list for, most often toothpastes, soaps and bath and shower.

  • Toothpastes10
  • Soaps3
  • Bath and shower3

Products with it, by country of sale: France 18 · United States 9 · Morocco 5 · Canada 5.

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

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

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

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