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Antioxidant

PHENYL T-BUTYLNITRONE

CAS 3376-24-7
55

Safety score · 0–100

Moderate

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

A spin-trap antioxidant (PBN) studied in pharmacology. Used at low levels in formulas as a free-radical scavenger. Limited cosmetic-specific safety data — caution.

Function

ANTIOXIDANT

Skin benefits

  • Free-radical-scavenging antioxidant
  • Spin-trap chemistry researched in pharma
  • May reduce oxidative stress in formulas

Known concerns

  • Limited cosmetic-specific safety review
  • Nitrone class — possible decomposition products
  • Not on standard CIR-cleared lists

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.