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racemethorphan

CAS 510-53-2
10

Safety score · 0–100

Avoid

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

About

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

Racemethorphan is the racemic mixture of the opioid analgesic methorphan, structurally related to morphine and codeine. It is classified as a prescription drug in most jurisdictions and is listed under EU Annex II of Regulation (EC) No 1223/2009 as a substance prohibited in cosmetic products due to its pharmacological activity. The substance has no recognized safe use level in topical preparations.

Known concerns

  • Opioid CNS effects including respiratory depression
  • Abuse potential and dependence liability
  • Prohibited in EU cosmetic products (Annex II)
  • Not permitted in any cosmetic concentration per EU Regulation

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.