# OLEOYL TETRAPEPTIDE-31

URL: https://app.greenveil.ai/ingredients/ingredient_unii_x2_a5_qx9_xel
Categories: beauty
Functions: Antioxidant, Skin conditioning
Identifier: OLEOYL TETRAPEPTIDE-31

> OLEOYL TETRAPEPTIDE-31: Used in cosmetics as an antioxidant and a skin-conditioning agent. FDA GSRS classifies this ingredient as ingredient substance chemical. Compiled from 4 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: FDA GSRS classifies this ingredient as ingredient substance chemical.

## Regulatory status

- EU: Active — Oleoyl Tetrapeptide-31 is the product obtained by the reaction of oleoyl chloride and Tetrapeptide-31
- 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/89982
- 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:X2A5QX9XEL
- PubChem Live Enrichment (updated 2026-05-17): https://pubchem.ncbi.nlm.nih.gov/compound/171390154

_Assessed by Greenveil._