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Oxidizing Agent

POTASSIUM PERSULFATE

CAS 7727-21-1 Updated
18

Safety score · 0–100

Avoid

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

About

A strong oxidizer used in hair-bleaching powders. Documented respiratory and skin sensitizer; the EU restricts its use to professional rinse-off products.

Function

OXIDISING

Skin benefits

  • Strong oxidizer for hair bleaching
  • Effective in professional hair lighteners

Known concerns

  • May cause allergy or asthma if inhaled (H334)
  • Skin and eye irritation
  • Skin sensitizer (H317)
  • Strong oxidizer (H272)
  • EU SCCS recommends only professional rinse-off use

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related oxidizing agents

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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.