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COPPER SULFATE

CAS 7758-98-7 Updated
30

Safety score · 0–100

Caution

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

About

Copper sulfate — a copper compound with significant toxicity and irritation potential. EU restricts its use in cosmetics; suitable only at trace levels in specific hair products. Not a leave-on skincare ingredient.

Skin benefits

  • Trace copper input in select formulas

Known concerns

  • Acute toxicity Cat 4 (PubChem GHS)
  • Skin/eye irritation
  • Aquatic environmental toxicity
  • EU Regulation 1223/2009 Annex III restrictions
  • Heavy-metal — not for leave-on

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.