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pH Adjuster

CAMPHOR SULFONIC ACID

CAS 5872-08-2 Updated
35

Safety score · 0–100

Caution

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

About

A strong organic sulfonic acid used as a pH adjuster or catalyst. The raw acid is corrosive (GHS Danger H314) and unsuitable for leave-on contact unless properly neutralized.

Function

NOT REPORTED

Skin benefits

  • pH adjuster / chiral acid catalyst
  • Used at very low percentages in formulation
  • Aroma carry-over from camphor

Known concerns

  • GHS Danger: causes severe skin burns and eye damage (raw H314)
  • Strongly acidic — must be neutralized before skin contact
  • Not appropriate as a leave-on free acid

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.