PEG-90/POLYEPSILON CAPROLACTONE

Restricted CAS: -CosIng #57523

PEG-90/POLYEPSILON CAPROLACTONE is permitted in cosmetics in the EU with restrictions — Annex III, entry 186 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

Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy- (90 mol EO average molar ratio), copolymer with poly-2-oxepanone

EU regulatory status

Annex of Regulation (EC) No 1223/2009: III/186

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 PEG-90/POLYEPSILON CAPROLACTONE safe in cosmetics?

    PEG-90/POLYEPSILON CAPROLACTONE 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 PEG-90/POLYEPSILON CAPROLACTONE listed?

    PEG-90/POLYEPSILON CAPROLACTONE is listed under reference III/186 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 PEG-90/POLYEPSILON CAPROLACTONE perform in cosmetics?

    According to the European Commission's CosIng database, PEG-90/POLYEPSILON CAPROLACTONE performs the following functions in cosmetics: HUMECTANT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING. 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 PEG-90/POLYEPSILON CAPROLACTONE?

    Our copy of the EU Safety Gate database currently contains no alerts linking PEG-90/POLYEPSILON CAPROLACTONE to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.

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