Head lice treatments, repellents and combs. No matter how hard you might try to avoid it, it is probable that every family will, at some point, have to treat a head lice infestation. Here you will find a comprehensive range of head lice treatment and repellent products from Full Marks, Derbac, Nutruclear and Lyclear to suit all ages from mousses to liquids and lotions. We also have all of the accessories required to effectively support the treatments by removing the dead head lice and their eggs.