# S-(Carboxymethyl)cysteine

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid9022738
Categories: beauty
Identifier: DTXSID9022738

> S-(Carboxymethyl)cysteine. EPA CPDat observed this chemical in 1 composition records across product categories including Personal care. Compiled from 5 published data sources.

## Safety assessment

- Chemical concern: not yet assessed
- Rationale: EPA CPDat observed this chemical in 1 composition records across product categories including Personal care.

## Regulatory status

- US: commercial use observed — EPA CPDat observed this chemical in 1 composition records across product categories including Personal care.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

## Data sources

- EPA Chemical and Products Database (updated November 2014): https://www.ewg.org/skindeep/product/466377/Biosilk_Silk_Therapy_Conditioner_%282014_formulation%29/
- 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:4252LRM78Q
- PubChem Live Enrichment (updated 2026-05-17): https://pubchem.ncbi.nlm.nih.gov/compound/1080

_Assessed by Greenveil._