N-lauroylsarcosine is an anionic surfactant. N-lauroylsarcosine has antiviral activity against HSV-2 strain 333 and HSV-1 strain F. N-lauroylsarcosine synergistically increases skin permeability with 25-50% ethanol. N-lauroylsarcosine can be used to study HSV-2 infection[1][2][3][4].