# POLY(1,2-BUTANEDIOL)-55/PEG-90 PENTAERYTHRITYL ETHER

URL: https://app.greenveil.ai/ingredients/ingredient_inci_poly_1_2_butanediol_55_peg_90_pentaerythrityl_ether
Categories: beauty
Functions: Viscosity controlling
Identifier: POLY(1,2-BUTANEDIOL)-55/PEG-90 PENTAERYTHRITYL ETHER

> POLY(1,2-BUTANEDIOL)-55/PEG-90 PENTAERYTHRITYL ETHER: Used in cosmetics as a thickener. 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 — Poly(1,2-Butanediol)-55/PEG-90 Pentaerythrityl Ether is the polyoxybutylene, polyoxyethylene derivative of Pentaerythritol that has an average of 55 moles of 1,2-butylene oxide, and 90 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/90349

_Assessed by Greenveil._