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UV Filter

DROMETRIZOLE TRISILOXANE

CAS 155633-54-8 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 silicone-based UV filter (Mexoryl XL) — shields skin from UVA and UVB damage and adds water resistance to sunscreens. EU-approved with capped use levels; not currently US-approved.

Skin benefits

  • Broad-spectrum UVA + UVB filter
  • Photostable
  • Improves water resistance
  • Compatible with avobenzone

Known concerns

  • Approved in EU but not yet in US
  • Limited human studies vs older filters
  • Possible aquatic toxicity

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.