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Mineral / unestablished

ACANTHITE

28

Safety score · 0–100

Caution

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

Acanthite is a silver sulfide mineral with no recognized INCI cosmetic safety dossier. Silver compounds carry skin staining and argyria risk, so use in topicals is discouraged without evidence.

Skin benefits

  • Mineral pigment historically associated with silver
  • Potential antimicrobial properties from silver ion release

Known concerns

  • Silver sulfide is not an established INCI cosmetic ingredient
  • Slow Ag+ release can cause argyria with chronic exposure
  • No CIR or SCCS cosmetic safety assessment
  • Heavy-metal sulfide raises purity and contamination concerns

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.