# TETRAPEPTIDE-111

URL: https://app.greenveil.ai/ingredients/ingredient_inci_tetrapeptide_111
Categories: beauty
Functions: Humectant, Skin protecting
Identifier: TETRAPEPTIDE-111

> TETRAPEPTIDE-111: Used in cosmetics as a humectant and a skin protectant. Canonical ingredient record built from 2 public-source records. Compiled from 1 published data source.

## 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: Canonical ingredient record built from 2 public-source records.

## Regulatory status

- EU: Active — Tetrapeptide-111 is the synthetic peptide consisting of lysine, proline and tryptophan.

## 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/104294

_Assessed by Greenveil._