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DI-T-BUTYL HYDROXYPHENYLAMINO BISOCTYLTHIOTRIAZINE

CAS 991-84-4
62

Safety score · 0–100

Fine

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

About

Di-T-Butyl Hydroxyphenylamino Bisoctylthiotriazine is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Di-t-butyl hydroxyphenylamino bisoctylthiotriazine (CAS 991-84-4) is a triazine-derivative UV absorber used in cosmetic sunscreen products to protect against UVA/UVB radiation. It carries H413 (aquatic chronic toxicity — may cause long-lasting harmful effects to aquatic life), which has raised environmental concerns and led to scrutiny under EU REACH and cosmetic regulations. While not currently banned, its aquatic profile and molecular size suggest caution in rinse-off vs. leave-on contexts.

Skin benefits

  • UVA/UVB absorber for sunscreen efficacy

Known concerns

  • Aquatic chronic toxicity (H413)
  • Environmental concern (persistent marine pollutants)

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.