# ACETYL D-LEUCYL D-SERINYL D-SERINYL D-PHENYLALANINE

URL: https://app.greenveil.ai/ingredients/ingredient_inci_acetyl_d_leucyl_d_serinyl_d_serinyl_d_phenylalanine
Categories: beauty
Functions: Skin conditioning
Identifier: ACETYL D-LEUCYL D-SERINYL D-SERINYL D-PHENYLALANINE

> ACETYL D-LEUCYL D-SERINYL D-SERINYL D-PHENYLALANINE: Used in cosmetics as a skin-conditioning agent. Acetyl D-Leucyl D-Serinyl D-Serinyl D-Phenylalanine is the product obtained by the reaction of Acetic Acid and the synthetic peptide consisting of D-leucine, D-serine, and D-phenylalanine. 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 — Acetyl D-Leucyl D-Serinyl D-Serinyl D-Phenylalanine is the product obtained by the reaction of Acetic Acid and the synthetic peptide consisting of D-leucine, D-serine, and D-phenylalanine.

## 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/105428

_Assessed by Greenveil._