What is the best way to deal with mites and lice

[bird bites my feet 4 fun]

What is the best way to treat chickens for mites and lice, looking to do 15 birds, 3 of which are chicks.

what products would you recommend

 

[SueT]

This will do it. I’ve even used it on day old chicks
https://www.tractorsupply.com/tsc/product/y-tex-gardstar-garden-poultry-dust?cm_vc=-10005