# METHYLMETHIONINE

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid401314761
Categories: beauty
Functions: Emollient, Skin conditioning, Astringent, Oral care, Skin protecting
Identifier: DTXSID401314761

> METHYLMETHIONINE: Used in cosmetics as an emollient, a skin-conditioning agent and an astringent. EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical. Compiled from 5 published data sources.

## Safety assessment

- Chemical concern: not yet assessed
- Is it a concern? We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
- Rationale: EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.

## Regulatory status

- EU: Active — Sulfonium, [(3S)-3-amino-3-carboxypropyl]dimethyl-, inner salt
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/86585
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:3485Y39925
- PubChem Live Enrichment (updated 2026-05-17): https://pubchem.ncbi.nlm.nih.gov/compound/10197842

_Assessed by Greenveil._