# TETRACARBOXYMETHYL TETRAPEPTIDE-91 N6-TRIPEPTIDE-91

URL: https://app.greenveil.ai/ingredients/ingredient_inci_tetracarboxymethyl_tetrapeptide_91_n6_tripeptide_91
Categories: beauty
Functions: Skin conditioning, Skin protecting
Identifier: TETRACARBOXYMETHYL TETRAPEPTIDE-91 N6-TRIPEPTIDE-91

> TETRACARBOXYMETHYL TETRAPEPTIDE-91 N6-TRIPEPTIDE-91: Used in cosmetics as a skin-conditioning agent and a skin protectant. Canonical ingredient record built from 1 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 1 public-source records.

## Regulatory status

- EU: Active — Tetracarboxymethyl Tetrapeptide-91 N6-Tripeptide-91 is a peptide consisting of Tetrapeptide-91 (q.v.) and Tripeptide-91 (q.v.) in which the epsilon nitrogen of the two lysines are modified by carboxymethyl groups. It conforms to the formula

## 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/100833

_Assessed by Greenveil._