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2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD)

CAS 1746-01-6
0

Safety score · 0–100

Not Rated

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

TCDD — the most toxic dioxin and an IARC Group 1 human carcinogen. Never an intentional cosmetic ingredient; it is a contaminant to avoid. Persistent, bioaccumulative and reproductively toxic.

Skin benefits

  • None — contaminant only

Known concerns

  • IARC Group 1 human carcinogen
  • Fatal if swallowed or in skin contact
  • Damages organs and unborn child
  • Persistent organic pollutant under Stockholm Convention
  • Banned/controlled in EU

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.