Permethrin Spray Questions

[SBFChickenGirl]

No egg withdrawl means they are safe to eat. Here is one article that may be helpful. While there is some detectable residue in eggs for awhile, it's never been established that it's a risk.
Rid and Nix, for human head lice, both contain permethrin.
https://blog.cacklehatchery.com/is-permethrin-a-safe-treatment-for-poultry-lice-and-mites/

Thanks for the link! I'll be washing the eggs, just to make sure.