PLDEFRESITJęzyk: polski
INCI name

SODIUM PHENYLBENZIMIDAZOLE SULFONATE

Sodium phenylbenzimidazole sulfonate

UV absorberUV filterreviewed

The sodium salt of a water-soluble UV filter, regulated in Annex VI.

What it is

Sodium phenylbenzimidazole sulfonate is the sodium salt of phenylbenzimidazole sulfonic acid (2-phenyl-1H-benzimidazole-5-sulfonic acid), also known as ensulizole. CosIng lists it as a UV absorber and UV filter. In the EU it is covered by an entry in Annex VI (UV filters).

Where it is used

Found in sunscreens, day creams with UV protection and other products containing UV filters.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

See the EU regulation section for the applicable limits; according to the Annex VI entry, the limit is expressed as the acid. The label does not show the concentration actually used.

Functions

UV absorber
Protecting the cosmetic product from the effects of UV-light.
UV filter
Exclusively or mainly intended to protect the skin and/or hair against certain UV radiation by absorbing, reflecting or scattering UV radiation. All authorised UV filters are substances in the positive list of Annex VI to the Cosmetics Regulation 1223/2009.

EU regulation

EU · Annex VI, entry 62-Phenylbenzimidazole-5-sulphonic acid and its potassium, sodium and triethanolamine salts / Ensulizole
Maximum concentration
8%(as acid)
As of
3 November 2026 · (EC) 2009/1223

Products with this ingredient (13)

Check a full ingredient list