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Hair Bleach

SODIUM PERSULFATE

CAS 7775-27-1 Updated
30

Safety score · 0–100

Caution

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

About

A potent oxidizing bleach used in hair-lightening powders — a leading cause of occupational asthma in hairdressers and a known skin sensitizer. EU restricts it to professional use under Annex III.

Function

OXIDISING

Skin benefits

  • Oxidizing bleach in hair lightening products
  • Effective at low concentrations

Known concerns

  • EU Annex III restricted to professional hair use
  • Strong respiratory sensitizer (occupational asthma in hairdressers)
  • Skin sensitizer and irritant
  • Potent oxidizer

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.