POLYURETHANE-46
POLYURETHANE-46 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
Polyurethane-46 is a complex urethane-based polymer. Initially, a pre-polymer is made by the reaction of isophorone diisocyanate (IPDI) with three different polyols. The polyols are poly(1,4-butanediol)-30, methoxy PEG-20 terminated with a 2,2 dimethyol butoxy group, and Methyl Diethanolamine .
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-46 safe in cosmetics?
POLYURETHANE-46 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-46 listed?
POLYURETHANE-46 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-46 perform in cosmetics?
According to the European Commission's CosIng database, POLYURETHANE-46 performs the following functions in cosmetics: HAIR CONDITIONING. 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-46?
Our copy of the EU Safety Gate database currently contains no alerts linking POLYURETHANE-46 to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.