Kills head lice. Br clinically proven. Br br 10 minute treatment. Br br eliminates eggs. Br no traditional pesticides. Br quick and easy treatment. Br head lice solution and comb included. Br low odour. Br br one sixth approx 50ml of this bottle should contain sufficient solution to treat a head lice infection on one head. However, you should apply enough to cover scalp and hair to ensure complete success. Br br used according to the instructions, full marks solution kills head lice and eliminates eggs. Unlike traditional head lice treatments which poison the lice, full marks solution has a physical action on the lice causing them to dehydrate lose water and die, they can then be removed along with any eggs using the comb provided. Br br br full marks is a trade mark of the ssl group. Br patents pending. Br