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MALACHITE

CAS 1319-53-5
55

Safety score · 0–100

Moderate

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

About

A copper-based mineral colorant and antimicrobial agent derived from malachite, offering green hues but raising some safety considerations around copper exposure.

Malachite is the natural mineral form of copper(II) carbonate hydroxide (Cu2CO3(OH)2), historically used as a pigment and in jewelry. In cosmetics, it functions as an inorganic colorant (CI 77220 equivalent) and has documented antimicrobial properties due to copper ion release. However, copper compounds can cause skin irritation and, with prolonged exposure, potential systemic copper accumulation. The EU CosIng listing (CI 77220) with restriction IV/124 confirms its approved use as a colorant under specific conditions.

Skin benefits

  • Provides green coloration for mineral cosmetics
  • Antimicrobial properties
  • Natural mineral origin

Known concerns

  • Copper ion release may irritate sensitive skin
  • Potential for skin discoloration
  • Environmental concern from copper
  • Eye contact should be avoided

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.