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Skin Conditioning

Aminosalicylate potassium

CAS 133-09-5 Updated
15

Safety score · 0–100

Avoid

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

About

The potassium salt of p-aminosalicylic acid, originally a tuberculosis drug. EU CosIng severely restricts it in cosmetics due to aromatic-amine sensitization and systemic-absorption risk; not a routine cosmetic choice.

Skin benefits

  • Historical pharmaceutical use as antitubercular agent
  • Salicylate-related anti-inflammatory action

Known concerns

  • Restricted by EU CosIng Annex III with concentration limits
  • Not a typical cosmetic ingredient — repurposed pharmaceutical
  • Risk of skin sensitization and systemic absorption
  • Aromatic amine class concerns

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.