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Pirbuterol acetate [USAN]

CAS 65652-44-0
32

Safety score · 0–100

Caution

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

Pirbuterol Acetate [usan] is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Pirbuterol acetate is a quaternary ammonium salt of a pyridine-derived bronchodilator. As a beta-2 sympathomimetic agonist it is classified as a pharmaceutical active ingredient and is not authorized in EU cosmetic products under Regulation 1223/2009. Its quaternary ammonium structure raises concerns for systemic absorption and cardiovascular effects. Cosmetic use would constitute an unauthorized medicinal substance in a personal care product.

Known concerns

  • Unauthorized pharmaceutical drug in cosmetics
  • Beta-adrenergic agonist — potential cardiovascular effects
  • No EU cosmetic authorization

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.