UV Filter
TEA-PHENYLBENZIMIDAZOLE SULFONATE
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
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 CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related uv filters
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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.