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ACETAMINOPHEN

CAS 103-90-2
42

Safety score · 0–100

Moderate

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

Paracetamol/acetaminophen — a pharmaceutical pain reliever. Not a typical cosmetic ingredient; topical inclusion is unusual and raises drug-vs-cosmetic boundary concerns.

Skin benefits

  • Active pharmaceutical analgesic
  • Skin-conditioning claims in some specialty products

Known concerns

  • Pharmaceutical drug; not a typical cosmetic ingredient
  • Hepatotoxicity at systemic dose
  • Photodegradation produces reactive species

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, so always read the physical product label and consult a healthcare professional for personal concerns.