POLYURETHANE-17

Restricted CAS: 347175-78-4CosIng #58920

POLYURETHANE-17 is permitted in cosmetics in the EU with restrictions — Annex III, entry 62 of Regulation (EC) No 1223/2009. Review the conditions of use, permitted concentration and Safety Gate alerts.

Regulatory status as of 2026-08-28 (per the CosIng database).

About the ingredient

2-Methyl-2,4-pentanediol, polymer with 2,2-dimethyl-1,3-propanediol, hexanedioic acid, methylenedicyclohexanediisocyanate and 2,2-di(hydroxymethyl)propanoic acid, hydrolysed, tris(2-hydroxyethyl)amine salts, reaction products with 1,2-ethanediamine

EU regulatory status

Annex of Regulation (EC) No 1223/2009: III/62

Source: the European Commission's official CosIng database and Regulation (EC) No 1223/2009 of the European Parliament and of the Council on cosmetic products. How we assess ingredients — full methodology.

Last updated:

Functions in cosmetics

Frequently asked questions

  • Is POLYURETHANE-17 safe in cosmetics?

    POLYURETHANE-17 is permitted in cosmetics in the EU, but subject to the conditions set out in Regulation (EC) No 1223/2009 — typically a maximum concentration, product category or a mandatory warning on the packaging. Manufacturers must comply with these limits.

  • In which annex of Regulation 1223/2009 is POLYURETHANE-17 listed?

    POLYURETHANE-17 is listed under reference III/62 in the annexes of Regulation (EC) No 1223/2009 on cosmetic products. The first part (Roman numeral) indicates the annex: II – prohibited substances, III – substances restricted by conditions, IV – permitted colorants, V – permitted preservatives, VI – permitted UV filters.

  • What functions does POLYURETHANE-17 perform in cosmetics?

    According to the European Commission's CosIng database, POLYURETHANE-17 performs the following functions in cosmetics: FILM FORMING. Functions are defined in the CosIng glossary and describe the technological role of a substance in the finished product.

  • Are there Safety Gate alerts concerning POLYURETHANE-17?

    Our copy of the EU Safety Gate database currently contains no alerts linking POLYURETHANE-17 to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.

Want to know when a cosmetic on your shelf gets recalled?

BeautyGuard lets you add cosmetics to a watchlist and cross-check them against the EU Safety Gate database. See plan details and email notifications on the pricing page.