# PEG-47 POLY(1,2-BUTANEDIOL)-66 PROPYLENE GLYCOL

URL: https://app.greenveil.ai/ingredients/ingredient_inci_peg_47_poly_1_2_butanediol_66_propylene_glycol
Categories: beauty
Functions: Viscosity controlling
Identifier: PEG-47 POLY(1,2-BUTANEDIOL)-66 PROPYLENE GLYCOL

> PEG-47 POLY(1,2-BUTANEDIOL)-66 PROPYLENE GLYCOL: 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 — PEG-47 Poly(1,2-Butanediol)-66 Propylene Glycol is a block copolymer made by reacting propylene glycol with 66 mols of 1,2-butylene oxide, followed by 47 mols of ethylene oxide. It conforms generally to the following formula, where x+y has an average value of 66 and w+z has an average value of 47:

## 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/96508

_Assessed by Greenveil._