Full Marks Head Lice Solution is a traditional treatment that poisons the lice. It has a physical action on the lice causing them to dehydrate and die. They can then be removed along with any eggs using the fine metal toothed Full Marks Removal Comb provided. If a member of your family needs treatment with Full Marks Solution, you should also check other members of your family for live lice with a specially designed Full Marks Detector Comb and treat if necessary. This solution eliminates eggs and has a low odour. It is a quick and easy treatment.