Skip to content

Pharmaceutical (not cosmetic)

leucinocaine

CAS 92-23-9
15

Safety score · 0–100

Avoid

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

An old local anesthetic in the para-aminobenzoate family, not a cosmetic ingredient. Topical anesthetics are tightly regulated as drugs because uncontrolled use can cause systemic toxicity, including cardiac and blood effects.

Skin benefits

  • Was historically used as a local anesthetic
  • No legitimate cosmetic application

Known concerns

  • Local anesthetic drug, not a cosmetic ingredient
  • Topical anesthetics are restricted by FDA and EMA in cosmetics
  • Risk of systemic absorption, cardiotoxicity and methemoglobinemia
  • Use in cosmetics constitutes drug adulteration

References

EU

EU CosIng database

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

Related pharmaceutical (not cosmetic)s

12
Fenoterol hydrobromide
Pharmaceutical (not cosmetic)

Check your shelf

Find leucinocaine in your products.

Scan any cosmetic product with LuxSense to see if it contains leucinocaine and get a full ingredient breakdown with safety scores.

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.