# R-(TETRAPEPTIDE-38 HEXAPEPTIDE-40 OLIGOPEPTIDE-152 SH-POLYPEPTIDE-106)

URL: https://app.greenveil.ai/ingredients/ingredient_inci_r_tetrapeptide_38_hexapeptide_40_oligopeptide_152_sh_polypeptide_106
Categories: beauty
Functions: Hair conditioning
Identifier: R-(TETRAPEPTIDE-38 HEXAPEPTIDE-40 OLIGOPEPTIDE-152 SH-POLYPEPTIDE-106)

> R-(TETRAPEPTIDE-38 HEXAPEPTIDE-40 OLIGOPEPTIDE-152 SH-POLYPEPTIDE-106): Used in cosmetics as a hair conditioner. 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 — r-(Tetrapeptide-38 Hexapeptide-40 Oligopeptide-152 sh-Polypeptide-106) is a single chain fusion peptide, produced by fermentation in E. coli. The starting gene is synthesized by the fusion of the genes encoding for Tetrapeptide-38, Hexapeptide-40, Oligopeptide-152 and the sh-Polypeptide-106. The fusion peptide contains 493amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.

## 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/105249

_Assessed by Greenveil._