# SR-(METHIONYL CONE SNAIL MU-CONOTOXIN TIIIA)

URL: https://app.greenveil.ai/ingredients/ingredient_inci_sr_methionyl_cone_snail_mu_conotoxin_tiiia
Categories: beauty
Functions: Skin conditioning
Identifier: SR-(METHIONYL CONE SNAIL MU-CONOTOXIN TIIIA)

> SR-(METHIONYL CONE SNAIL MU-CONOTOXIN TIIIA): Used in cosmetics as a skin-conditioning agent. 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-(Methionyl Cone Snail Mu-Conotoxin TIIIA) is a single chain protein produced by fermentation in E. coli. The starting gene is synthetically produced to be identical to Mu-conotoxin TIIIA which is found in the cone snail, Conus, with the initiation code for methionine. The protein contains 22 amino 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/105281

_Assessed by Greenveil._