The ingredient, explained
Aspartame
A published EFSA opinion evaluates aspartame safety.
Ingredient guide
What it is and what it does
3-Amino-N--1-carboxy-2-phenylethyl- succinamic acid, N-methyl ester
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.
Function definitions: European Commission JRC: Flavouring roles in toothpaste formulations ↗
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
It synthesizes dietary toxicology and exposure evidence.
What this does not tell us
Food-use assessment does not establish cosmetic efficacy or current regulatory status.
Sources for this summary. Published source ↗
Research review checked Oct 1, 2026
Review supplied candidate titles and available abstracts selectively for exact identity; targeted primary PubMed/publisher searches. This is not an exhaustive systematic review.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Safety assessment
Scientific Opinion on the re-evaluation of aspartame(E951)as a food additive ↗
EFSA Journal · 2013
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
3-Amino-N--1-carboxy-2-phenylethyl- succinamic acid, N-methyl ester
- INCI name on ingredient lists
- ASPARTAME
- CAS registry number
- 22839-47-0
- EC number
- 245-261-3
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