The ingredient, explained
Sodium Ascorbate
A published expert safety assessment covers this exact ingredient.
Ingredient guide
What it is and what it does
Sodium ascorbate
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Antioxidant
- Limits oxidation, including deterioration of formulation ingredients. This label alone does not show a clinical antioxidant effect in skin.
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
Panel supported cosmetic safety under the reported use practices, with care that formulations retain antioxidant rather than pro-oxidant action.
What this does not tell us
Dated group read-across from ascorbic acid. Metal-ion/pro-oxidant formulation caveat. Local intradermal microdialysis does not establish topical cosmetic benefit.
Sources for this summary. PubMed 16154915 ↗
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
Safety assessment
Final report of the safety assessment of L-Ascorbic Acid, Calcium Ascorbate, Magnesium Ascorbate, Magnesium Ascorbyl Phosphate, Sodium Ascorbate, and Sodium Ascorbyl Phosphate as used in cosmetics. ↗
International journal of toxicology · 2005
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 ascorbate
- INCI name on ingredient lists
- SODIUM ASCORBATE
- CAS registry number
- 134-03-2
- EC number
- 205-126-1
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



