1-NAPHTHOL

Restricted CAS: 90-15-3CosIng #31470

1-NAPHTHOL is permitted in cosmetics in the EU with restrictions — Annex III, entry 16 of Regulation (EC) No 1223/2009. Review the conditions of use, permitted concentration and Safety Gate alerts.

Regulatory status as of 2026-08-29 (per the CosIng database).

About the ingredient

1-naphthol (CI 76605)

EU regulatory status

Annex of Regulation (EC) No 1223/2009: III/16

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 1-NAPHTHOL safe in cosmetics?

    1-NAPHTHOL 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 1-NAPHTHOL listed?

    1-NAPHTHOL is listed under reference III/16 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 1-NAPHTHOL perform in cosmetics?

    According to the European Commission's CosIng database, 1-NAPHTHOL performs the following functions in cosmetics: HAIR DYEING. 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 1-NAPHTHOL?

    Our copy of the EU Safety Gate database currently contains no alerts linking 1-NAPHTHOL 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.