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Antimicrobial

COPPER CITRATE

CAS 19807-11-5 Updated
55

Safety score · 0–100

Moderate

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

About

A copper salt of citric acid used at trace levels for antimicrobial support. Free copper ions can stain skin and irritate at higher levels — strict cosmetic concentration limits apply.

Function

ANTIMICROBIAL

Skin benefits

  • Antimicrobial copper-ion delivery
  • Trace mineral support in skincare
  • Citrate moiety improves solubility

Known concerns

  • Free copper ions can cause skin discoloration
  • Sensitization risk at higher concentrations
  • Aquatic toxicity concerns for copper salts
  • Use only at very low cosmetic levels

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.