# PEG-23 POLY(1,2-BUTANEDIOL)-21 PROPYLENE GLYCOL DIMETHYL ETHER

URL: https://app.greenveil.ai/ingredients/ingredient_inci_peg_23_poly_1_2_butanediol_21_propylene_glycol_dimethyl_ether
Categories: beauty
Functions: Emulsifying, Cleansing
Identifier: PEG-23 POLY(1,2-BUTANEDIOL)-21 PROPYLENE GLYCOL DIMETHYL ETHER

> PEG-23 POLY(1,2-BUTANEDIOL)-21 PROPYLENE GLYCOL DIMETHYL ETHER: Used in cosmetics as an emulsifier and a cleansing 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 — PEG-23 Poly(1,2-Butanediol)-21 Propylene Glycol Dimethyl Ether is a block copolymer made by reacting propylene glycol with 21 mols of 1,2-butylene oxide, followed by 23 mols of ethylene oxide. The hydroxyl groups at the ends of the copolymer are then converted to methoxy groups.

## 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/90392

_Assessed by Greenveil._