How to get rid of lice in really long hair?

she has to treat it with lice shampoo and remove every live lice as well as all the eggs which glue themselves onto the shaft of the hair

its a long labourious job but can be done

then prevention is better than cure

Forget about the lice, why the heck has she never cut her hair? Do you know how unhealthy that is?

Suffocate them in vegetable oil then comb out the dead lice and nits