The ingredient, explained
Sodium Carbonate
A primary study examines this ingredient in the specified preparation and setting.
Ingredient guide
What it is and what it does
Sodium carbonate
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Buffering
- Helps resist changes in a formula's pH.
- Bulking
- Changes a product's bulk density.
Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
Human topical treatment study
Sodium carbonate killed fewer tungiasis fleas than dimeticone by day seven; no significant difference in inflammation or pain/itchiness.
What this does not tell us
23 children with multiple flea lesions. Medical infestation treatment, not healthy-skin cosmetic benefit or broad safety.
Sources for this summary. PubMed 39042700 ↗
Research review checked Oct 1, 2026
Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Human topical treatment study · n=23
A pilot study of dimeticone oils versus sodium carbonate treatment for tungiasis: A randomized cohort trial in Homa Bay County, Kenya. ↗
PLoS neglected tropical diseases · 2024
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
Registry identity
Sodium carbonate
- INCI name on ingredient lists
- SODIUM CARBONATE
- CAS registry number
- 497-19-8
- EC number
- 207-838-8
Other recorded names (1)
- natrii carbonas
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026