Lapyrium is a quaternary ammonium cation used as a surfactant, antistatic agent, and biocide in various cosmetic products . It is commonly found formulated as lapyrium chloride.
- Mechanism
- Curator reviewed · 1 reference
As a QAC, lapyrium likely acts by associating with the negatively charged cell membrane of bacterial cells. This is followed by the insertion of the compound's side chain and subsequent disruption of the cell membrane. Ultimately this disruption leads to the leakage of cellular contents and cell lysis. QACs are typically more effective against Gram-positive bacteria as they only have one cell membrane.
- Primary indication
- Used as a surfactant, antistatic agent, and biocide in cosmetic products.Curator reviewed
- Formula / weight
- C21H35N2O3 · 363.521 g/mol (avg)
Resolves to
UGJWZYARKOFRDB-UHFFFAOYSA-OSMILESCCCCCCCCCCCC(=O)OCCNC(=O)C[N+]1=CC=CC=C1What you can answer from here — as of August 30, 2026
Which companies are running trials of Lapyrium, in which indications and phases, and which of those programs are still active?
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