Can You Use Lice Shampoo Daily To Kill Anything That Might Hatch Between The First To 7th Day?

I have RID lice shampoo and I used it last night.
But I really want to kill them ALL effectively and quickly.
Will the lice get used to the chemicals and create a resistance to it?
Or is using it every night for a week the smarter choice?

Pediatric First Aid for Caregivers and Teachers: Pedfacts

American Academy of Pediatrics (AAP) is pleased to bring you Pediatric First Aid for caregivers and teachers (PedFACTs), a new national pediatric first aid course. Caregivers and teachers need to know what to do when a child is injured or becomes suddenly and seriously ill. Most injuries that require first aid are not life threatening. [...]