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Colorant

Gold

CAS 7440-57-5
78

Safety score · 0–100

Fine

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

Pure metallic gold — used as a shimmer or luxury claim ingredient. Largely inert and well tolerated; cosmetic benefit is mostly aesthetic, with rare contact-allergy cases reported.

Skin benefits

  • Inert metallic ingredient — luxury claim
  • Reflective shimmer in formulas
  • Generally non-irritating in colloidal form

Known concerns

  • No proven cosmetic efficacy beyond marketing
  • Rare contact allergy reported
  • Nano forms still under safety review

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.