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UV Filter

SODIUM PHENYLBENZIMIDAZOLE SULFONATE

CAS 5997-53-5 Updated
75

Safety score · 0–100

Fine

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

About

A water-soluble UVB filter, the sodium salt of PBSA. Permitted in EU sunscreens up to 8%, with a long use history. Mostly safe; can sting if it gets in the eyes.

Function

UV ABSORBERUV FILTER

Skin benefits

  • Water-soluble UVB filter
  • Permitted EU sunscreen ingredient up to 8%
  • Stable in formulation
  • Boosts SPF

Known concerns

  • Can sting in eye area
  • Potential for mild skin irritation
  • Limited UVA protection

References

EU

EU CosIng database

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

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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.