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UV Filter

METHYLENE BIS-BENZOTRIAZOLYL TETRAMETHYLBUTYLPHENOL

CAS 103597-45-1 Updated
72

Safety score · 0–100

Fine

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

About

A modern broad-spectrum sun filter (Bisoctrizole, Tinosorb M). Sits on top of skin and reflects/absorbs UVA and UVB. Photostable and approved in EU sunscreens.

Skin benefits

  • Broad-spectrum UVA/UVB filter
  • Photostable
  • Approved EU UV filter

Known concerns

  • Particulate filter — eye irritation possible
  • Environmental persistence
  • Less data on nano grade

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.