The ingredient, explained

Sodium Saccharin

Sodium saccharin has a published oral food-exposure safety assessment.

FlavouringMaskingOral care

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Ingredient guide

What it is and what it does

1‚2-Benzisothiazol-3-2H--one 1‚1-dioxide, sodium salt

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Flavouring: Adds or modifies a product's flavour, including in oral-care products such as toothpaste.
Masking: Reduces or conceals the formula's underlying odour or taste.
Oral care: Supports cosmetic functions in the mouth, such as cleaning or deodorising.

Function definitions: European Commission JRC: Flavouring roles in toothpaste formulations ↗ · 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 reviews genotoxicity, chronic toxicology and oral food exposure, evaluating manufacturing impurities and acceptable daily exposure.

What this does not tell us

Food-additive oral risk assessment, not topical cosmetic tolerance or efficacy. The conclusion is conditional on identity, impurity specifications and exposure; no current regulatory claim is made.

Sources for this summary. DOI 10.2903/j.efsa.2024.9044 ↗

Research review checked Oct 1, 2026

Selective screening of 1 local candidates and reuse of the final primary report after checking its explicit exact member list.