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UV Filter

DROMETRIZOLE

CAS 2440-22-4
48

Safety score · 0–100

Moderate

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

A benzotriazole UV-stabiliser used to protect formulas from photodegradation. PubChem flags strong skin-sensitisation and high aquatic toxicity, plus endocrine-disruptor scrutiny.

Function

UV ABSORBER

Skin benefits

  • UV stabiliser for cosmetic packaging-compatible formulas
  • Helps protect product from photodegradation

Known concerns

  • H317 may cause allergic skin reaction (97% of ECHA reports)
  • H410 very toxic to aquatic life with long-lasting effects
  • Suspected endocrine disruptor — under EU re-evaluation

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.