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pH Adjuster

SULFURIC ACID

CAS 7664-93-9 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 mineral acid with severe corrosive hazards. IARC classes inorganic acid mists as Group 1 carcinogens. Cosmetic appearances are extreme dilutions for pH only — direct contact causes burns.

Function

BUFFERING

Skin benefits

  • Trace pH adjustment only

Known concerns

  • IARC Group 1 carcinogen (acid mist)
  • Severe corrosion
  • Eye damage
  • Respiratory toxicity
  • Inappropriate for direct cosmetic use

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.