# C11-21 ALKETH-10

URL: https://app.greenveil.ai/ingredients/ingredient_inci_c11_21_alketh_10
Categories: beauty
Functions: Emulsifying
Identifier: C11-21 ALKETH-10

> C11-21 ALKETH-10: Used in cosmetics as an emulsifier. 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 — C11-21 Alketh-10 (Formerly C11-21 Pareth-10) is a polyethylene glycol ether of a mixture of synthetic C11-21 fatty alcohols with an average of 10 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/99347

_Assessed by Greenveil._