Skip to content

UV Filter

TEA-PHENYLBENZIMIDAZOLE SULFONATE

CAS 73705-00-7 Updated
65

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

The triethanolamine salt of phenylbenzimidazole sulfonic acid, an approved EU UVB filter (Annex VI). Watch the TEA part — it can form nitrosamines if formulated alongside nitrosating agents.

Function

UV ABSORBERUV FILTER

Skin benefits

  • UVB protection in sunscreen formulations
  • Water-soluble — useful in light, transparent sun products
  • Approved EU UV filter under Annex VI

Known concerns

  • Triethanolamine counter-ion — secondary amine that can form nitrosamines with nitrosating contaminants
  • Potential photoallergic reactions in sensitive users
  • EU restricts use concentration in UV filters

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related uv filters

Check your shelf

Find TEA-PHENYLBENZIMIDAZOLE SULFONATE in your products.

Scan any cosmetic product with LuxSense to see if it contains TEA-PHENYLBENZIMIDAZOLE SULFONATE and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.