Denise from Paso Robles, Ca writes
Permethrin SFR 36.8% has a 30 day residual outside and a 90 day residual inside. It is safe for and pets if applied according to the instructions on the label. In the original wet state, it can irritate the skin. Pets need to be kept out of the area during application and until everything is fully dry.
Answer last updated on: 04/24/2017