Cure is the remedy or measure which you hold to do something for good cause. The cure here specifically means to eradicate the infestation of lice. The infestation of lice generates the nits and then those nits becomes elder and grown up into the head louse again. This is the process that never ends. It carries on with the time and it will be halted whenever you want. The quick process of treatment is also there to serve you. But as you know that everything has its some positive and some negative effect.