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COBALT CHLORIDE

CAS 7646-79-9
2

Safety score · 0–100

Avoid

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

About

Cobalt chloride — prohibited in cosmetics in the EU, classified as a carcinogen and strong sensitizer. Do not use.

Cobalt(II) chloride (CAS 7646-79-9) is an inorganic cobalt salt. It is listed by IARC as Group 2B (possibly carcinogenic to humans) and is classified under EU CLP as Carc. 1B, Muta. 2, and Repr. 1B. ECHA has identified it as a Substance of Very High Concern. It is also a well-documented contact allergen — cobalt is one of the major metal sensitizers alongside nickel. EU Cosmetics Regulation Annex II entry 371 prohibits cobalt salts in cosmetic products. There is no legitimate cosmetic use case.

Function

NOT REPORTED

Skin benefits

  • None

Known concerns

  • EU Annex II prohibited in cosmetics
  • IARC 2B carcinogen
  • CMR classification
  • Strong skin sensitizer
  • SVHC status

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.