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Pharmaceutical (non-cosmetic)

Hyoscyamine, its salts and derivatives

CAS 101-31-5 Updated
5

Safety score · 0–100

Avoid

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

About

Hyoscyamine — a potent tropane alkaloid drug with strong anticholinergic activity. EU Annex II explicitly prohibits it in cosmetics. Appearance on a cosmetic label indicates serious mislabeling or adulteration.

Skin benefits

  • Primarily a processing aid

Known concerns

  • Pharmacological anticholinergic activity
  • EU Annex II listed (prohibited)
  • Toxic at low systemic doses

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related pharmaceutical (non-cosmetic)s

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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.