# L-Thioproline

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid3046536
Categories: beauty, industrial
Functions: Skin conditioning
Identifier: DTXSID3046536

> L-Thioproline: Used in cosmetics as a skin-conditioning agent. EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. Compiled from 6 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 CPDat observed this chemical in 0 composition records across product categories including unclassified products.

## Regulatory status

- EU: Active — Listed in CosIng inventory for cosmetic use.
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
- 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/59761
- EPA Chemical and Products Database (updated 2020-08-31): https://www.drugbank.ca/drugs?utf8=%E2%9C%93&approved=0&nutraceutical=0&illicit=0&investigational=0&withdrawn=0&experimental=0&experimental=1&us=0&ca=0&eu=0&commit=Apply+Filter
- 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:KL096K0KXL
- PubChem Live Enrichment (updated 2026-05-17): https://pubchem.ncbi.nlm.nih.gov/compound/93176

_Assessed by Greenveil._