The ingredient, explained
Sodium Sulfate
Sodium Sulfate has published research relevant to cosmetic safety assessment.
Ingredient guide
What it is and what it does
Sodium sulphate
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Bulking
- Changes a product's bulk density.
- Viscosity controlling
- Adjusts how thick or fluid a product is.
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
Safety assessment
The assessment gives a cosmetic-use conclusion conditional on formulations being non-irritating.
What this does not tell us
This is a safety assessment of the described concentrations, not clinical benefit evidence. Do not transfer findings from carbazochrome sodium sulfonate.
Sources for this summary. PubMed 34259063 ↗
Research review checked Oct 1, 2026
Selective exact-identity review of 1 supplied local candidates and the targeted primary-source search recorded below. Bounded review, not a systematic search.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Safety assessment
Final Amended Safety Assessment of Sodium Sulfate as Used in Cosmetics. ↗
International journal of toxicology · 2021
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 sulphate
- INCI name on ingredient lists
- SODIUM SULFATE
- CAS registry number
- 7727-73-3, 7757-82-6
- EC number
- / 231-820-9
Other recorded names (1)
- natrii sulfas
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