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Colorant

COBALT TITANIUM OXIDE

CAS 12017-38-8 Updated
15

Safety score · 0–100

Avoid

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

About

A cobalt-based blue-green inorganic pigment. Cobalt is classified as a CMR substance in the EU and the compound carries GHS skin, eye and respiratory sensitizer hazards — best avoided.

Function

SKIN CONDITIONING

Skin benefits

  • Stable inorganic blue/green pigment
  • Heat- and light-fast colorant
  • Used in some color cosmetics historically

Known concerns

  • Cobalt is classified CMR in EU (carcinogenic/reprotoxic)
  • GHS H315/H317/H319/H334/H335 — skin/eye/respiratory irritant and sensitizer
  • May cause allergy or asthma
  • Cobalt regulated/restricted in EU cosmetics

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.