Pyrethrins and Piperonyl Butoxide for Lice
How It Works
Pyrethrins kill lice and some of the eggs (nits) at the time it is applied. Unlike permethrin, these products do not continue to work after they have been rinsed out of the hair.
|By:||Reference Healthwise Staff||Last Revised: August 30, 2012|
|Medical Review:||Reference John Pope, MD - Pediatrics
Reference Susan C. Kim, MD - Pediatrics