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UV Stabilizer

BUMETRIZOLE

CAS 3896-11-5
55

Safety score · 0–100

Moderate

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

A benzotriazole UV stabilizer that protects formulas and packaging from light, not your skin. Concerns flagged around environmental persistence and bioaccumulation in aquatic life.

Skin benefits

  • UV light stabilizer for formulations
  • Protects packaging and product color
  • Extends product shelf life

Known concerns

  • Benzotriazole UV stabilizer with persistence/bioaccumulation flags
  • Aquatic toxicity reported
  • Limited dermatological safety data
  • Not a finished-cosmetic skin protection ingredient

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, so always read the physical product label and consult a healthcare professional for personal concerns.