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Other Hydrocarbon

TRICYCLOPENTADIENE

CAS 7158-25-0
40

Safety score · 0–100

Moderate

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

A reactive polycyclic hydrocarbon mostly used in industrial chemistry rather than typical cosmetics. Limited cosmetic safety data and irritation potential put it in the use-with-awareness band.

Skin benefits

  • Hydrocarbon resin building block used in some fragrance and polymer chemistry

Known concerns

  • Polycyclic hydrocarbon with limited cosmetic safety review
  • Irritation potential typical of reactive cyclopentadienes
  • Unusual choice for skin contact products
  • No CIR/SCCS dossier identified

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.