# SR-RABBIT POLYPEPTIDE-4

URL: https://app.greenveil.ai/ingredients/ingredient_inci_sr_rabbit_polypeptide_4
Categories: beauty
Functions: not reported
Identifier: SR-RABBIT POLYPEPTIDE-4

> SR-RABBIT POLYPEPTIDE-4 is used as not reported. 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 — sr-Rabbit Polypeptide-4 is a single chain protein produced in Human Embryonic Kidney cells based on a sequence from Ig kappa-b4 chain C region which is found in the rabbit. Ig kappa-b4 chain C region contains 103 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 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/104963

_Assessed by Greenveil._