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Antimicrobial

Chlorine

CAS 7782-50-5
5

Safety score · 0–100

Avoid

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

Elemental chlorine gas — an industrial oxidizer and disinfectant, not a cosmetic ingredient. Severely toxic by inhalation and corrosive to skin and eyes.

Skin benefits

  • Industrial disinfectant
  • Water treatment use only

Known concerns

  • EU Annex II banned in cosmetics as elemental chlorine
  • Acute toxicity by inhalation
  • Severe skin and eye damage
  • Reactive oxidizer

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.