# POLYURETHANE-29

URL: https://app.greenveil.ai/ingredients/ingredient_inci_polyurethane_29
Categories: beauty
Functions: Hair conditioning, Hair fixing, Emulsion stabilising, Film forming
Identifier: POLYURETHANE-29

> POLYURETHANE-29: Used in cosmetics as a hair conditioner, a hair fixative and an emulsion stabiliser. 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 — Polyurethane-29 is a copolymer of methyl diethanolamine (MDEA), polytetramethylene ether glycol (PTMEG), hexamethylene diisocyanate (HDI) and saturated methylene diphenyldiisocyanate (SMDI)

## 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/85972

_Assessed by Greenveil._