# PENTAPEPTIDE-31

URL: https://app.greenveil.ai/ingredients/ingredient_unii_51150_vet6_k
Categories: beauty
Functions: Skin conditioning
Identifier: PENTAPEPTIDE-31

> PENTAPEPTIDE-31: Used in cosmetics as 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 — Pentapeptide-31 is the synthetic peptide consisting of alanine, glutamine, glycine, leucine and serine
- 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/89128
- 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:51150VET6K
- PubChem Live Enrichment (updated 2026-05-17): https://pubchem.ncbi.nlm.nih.gov/compound/131801094

_Assessed by Greenveil._