# C13-15 ALKETH-21 (FORMERLY C13-15 PARETH-21)

URL: https://app.greenveil.ai/ingredients/ingredient_inci_c13_15_alketh_21_formerly_c13_15_pareth_21
Categories: beauty
Functions: Cleansing, Solubilizing
Identifier: C13-15 ALKETH-21 (FORMERLY C13-15 PARETH-21)

> C13-15 ALKETH-21 (FORMERLY C13-15 PARETH-21): Used in cosmetics as a cleansing agent and a solubilizing 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 — C13-15 Alketh-21 is a polyethylene glycol ether of a mixture of synthetic C13 to C15 fatty alcohols with an average of 21 moles of ethylene oxide.

## 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/102739

_Assessed by Greenveil._